{"id":8482,"date":"2026-11-14T10:00:13","date_gmt":"2026-11-14T02:00:13","guid":{"rendered":"https:\/\/www.air-tester.com\/?p=8482"},"modified":"2026-11-14T14:32:18","modified_gmt":"2026-11-14T06:32:18","slug":"guo-chan-qi-mi-xing-jian-lou-yi","status":"publish","type":"post","link":"https:\/\/www.air-tester.com\/en\/guo-chan-qi-mi-xing-jian-lou-yi.html\/","title":{"rendered":"Q&amp;A: How Can Domestic Air-Tightness Leak Detectors Replace Imported Brands? Advantages of Domestic Manufacturers and Validation Methods"},"content":{"rendered":"<p>New energy batteries, liquid cooling, automotive parts, consumer electronics, medical devices, and home appliance manufacturing all rely on<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">airtightness leak detector<\/a>Maintain the product's seal quality. In the past, when companies purchased this type of equipment,<strong>Give priority to imported brands such as ATEQ, COSMO, and Uson<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">leak detector<\/a>Branding<\/strong>. Today, the technology and manufacturing capabilities of domestically produced equipment continue to improve,<strong>More and more companies are beginning to include domestic solutions on their shortlists.<\/strong>The<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">I. Can Domestic Equipment Replace Imported Brands?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q1: Domestic<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">airtightness leak detector<\/a>Can it replace ATEQ, COSMO, and Uson now?<\/h3>\n\n\n\n<p><strong>Standard airtightness testing can be used for evaluation; extreme scenarios must be evaluated separately.<\/strong>&nbsp;Whether it can be substituted depends on the specific model and testing requirements.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Test Scenarios<\/th><th class=\"has-text-align-left\" data-align=\"left\">Alternative Judgment<\/th><th class=\"has-text-align-left\" data-align=\"left\">Based on<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Direct-pressure, differential-pressure, flow-based, etc.<\/td><td class=\"has-text-align-left\" data-align=\"left\">Can be evaluated through validation under the same operating conditions<\/td><td class=\"has-text-align-left\" data-align=\"left\">Verify whether the test pressure, leak detection capability, repeatability, stability, and test cycle time meet the standards<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Helium Mass Spectrometry Leak Detection, Ultra-Low Leak Rates<\/td><td class=\"has-text-align-left\" data-align=\"left\">Individual Assessment<\/td><td class=\"has-text-align-left\" data-align=\"left\">Differences in detection principles and sensitivity requirements<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Special Gases, High-Vacuum Testing<\/td><td class=\"has-text-align-left\" data-align=\"left\">Individual Assessment<\/td><td class=\"has-text-align-left\" data-align=\"left\">Depends on specific configurations and technical specifications<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:var(--wp--preset--spacing--60)\">Q2: Why are companies starting to consider domestically produced products?<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">airtightness leak detector<\/a>?<\/h3>\n\n\n\n<p>There are four reasons.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Purchasing Costs<\/strong>: Companies hope to reduce equipment procurement and operating costs without compromising quality standards.<\/li>\n\n\n\n<li><strong>Delivery Efficiency<\/strong>: Shorter lead times for communication, solution confirmation, equipment delivery, and commissioning.<\/li>\n\n\n\n<li><strong>Customization Requirements<\/strong>: Product structures and manufacturing processes vary, requiring more flexible tooling and inspection solutions.<\/li>\n\n\n\n<li><strong>Supply Chain Security<\/strong>: Having one more supplier to choose from means one less dependency on a single brand or a single channel.<\/li>\n<\/ul>\n\n\n\n<p>Therefore, domestic substitution is a process of reassessment:<strong>Evaluate equipment procurement, production efficiency, and long-term maintenance costs<\/strong>The<\/p>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">II. How Can the Testing Performance of Domestic Equipment Be Verified?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q3: What are the key metrics used to compare domestic equipment with imported brands?<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Norm<\/th><th class=\"has-text-align-left\" data-align=\"left\">Key Points<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Detection Principle<\/td><td class=\"has-text-align-left\" data-align=\"left\">Does it match the product structure and leakage pattern?<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Test Pressure Range<\/td><td class=\"has-text-align-left\" data-align=\"left\">Does it meet the process requirements?<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Leak Detection Capabilities<\/td><td class=\"has-text-align-left\" data-align=\"left\">Does it comply with the permissible leakage limits specified in the product standard?<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Accuracy and Resolution<\/td><td class=\"has-text-align-left\" data-align=\"left\">Resolution is not the same as accuracy<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Repeatability and Long-Term Stability<\/td><td class=\"has-text-align-left\" data-align=\"left\">Repeatability is not the same as absolute accuracy; the process must be capable of continuous, stable production.<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Inspection cycle<\/td><td class=\"has-text-align-left\" data-align=\"left\">Does it match the production line's takt time?<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Data and Interfaces<\/td><td class=\"has-text-align-left\" data-align=\"left\">Are the data management and automation interfaces fully in place?<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/www.air-tester.com\/en\/product\/jc-c10005-html\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1080\" height=\"2160\" src=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2026\/07\/cha-ya-can-shu-dui-bi-a-dai.jpg\" alt=\"Comparison of Differential Pressure Parameters (ATEQ vs. JCGK\u2019s)\" class=\"wp-image-8302\" style=\"width:1200px;height:auto\" srcset=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2026\/07\/cha-ya-can-shu-dui-bi-a-dai.jpg 1080w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2026\/07\/cha-ya-can-shu-dui-bi-a-dai-6x12.jpg 6w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2026\/07\/cha-ya-can-shu-dui-bi-a-dai-600x1200.jpg 600w\" sizes=\"(max-width: 1080px) 100vw, 1080px\" title=\"\u5feb\u95ee\u5feb\u7b54\uff1a\u56fd\u4ea7\u6c14\u5bc6\u6027\u68c0\u6f0f\u4eea\u5982\u4f55\u66ff\u4ee3\u8fdb\u53e3\u54c1\u724c\uff1f\u56fd\u4ea7\u5382\u5bb6\u7684\u4f18\u52bf\u4e0e\u9a8c\u8bc1\u65b9\u6cd5\u63d2\u56fe\" \/><\/a><figcaption class=\"wp-element-caption\"><em>Domestic Jingcheng Engineering <a href=\"https:\/\/www.air-tester.com\/en\/product\/jc-c10005-html\/\" data-type=\"link\" data-id=\"https:\/\/www.air-tester.com\/product\/jc-c10005.html\/\" target=\"_blank\" rel=\"noreferrer noopener\">JC-C10005<\/a> Comparison of Technical Specifications with the Imported ATEQ F620<\/em><\/figcaption><\/figure>\n\n\n\n<p>Different brands have varying definitions of parameters, measurement ranges, and calibration conditions,<strong>You cannot judge the quality of a device based on a single parameter alone.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q4: How can we demonstrate that domestically manufactured equipment can replace the previously imported equipment?<\/h3>\n\n\n\n<p>Verification through comparison under the same operating conditions is carried out in five steps.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>First, identify the model, detection principle, and technical specifications of the original equipment;<\/li>\n\n\n\n<li>Then conduct the test using the same product, the same test setup, and the same test conditions;<\/li>\n\n\n\n<li>Next, verify the detection capability using a standard leak or a sample with a known leak;<\/li>\n\n\n\n<li>Then repeat the test several times to see if the results are consistent;<\/li>\n\n\n\n<li>Finally, the product is put through a trial run on the production line to verify the cycle time and stability.<\/li>\n<\/ol>\n\n\n\n<p><strong>The basis for substitution is product quality standards and actual validation results, not the parameters listed in the equipment manual.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q5: Can domestic manufacturers provide products based on different principles?<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">Air tightness testing equipment<\/a>Right?<\/h3>\n\n\n\n<p><strong>Manufacturers with R&amp;D, design, and manufacturing capabilities, such as<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">Shenzhen Jingchenggongke Technology Co., Ltd.<\/a><\/strong>(JCGK) offers the following five categories of mainstream solutions:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Detection Methods<\/th><th class=\"has-text-align-left\" data-align=\"left\">principle<\/th><th class=\"has-text-align-left\" data-align=\"left\">Applicable Scenarios<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">direct pressure<\/td><td class=\"has-text-align-left\" data-align=\"left\">Fill with air at a constant pressure and monitor the pressure drop<\/td><td class=\"has-text-align-left\" data-align=\"left\">Routine seal testing: simple to perform and widely used<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">differential pressure<\/td><td class=\"has-text-align-left\" data-align=\"left\">Compare the pressure changes between the reference chamber and the test specimen<\/td><td class=\"has-text-align-left\" data-align=\"left\">High Precision, High Pressure, and Micro-Leak Detection<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">flow rate method<\/td><td class=\"has-text-align-left\" data-align=\"left\">Monitor the gas flow rate passing through the leak point<\/td><td class=\"has-text-align-left\" data-align=\"left\">Products with Specific Traffic Threshold Requirements<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">suction<\/td><td class=\"has-text-align-left\" data-align=\"left\">Monitoring Pressure Changes After Evacuation<\/td><td class=\"has-text-align-left\" data-align=\"left\">Products for which positive-pressure testing is not feasible<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">volumetric method<\/td><td class=\"has-text-align-left\" data-align=\"left\">Using a Sealed Chamber for Quantitative Leak Measurement<\/td><td class=\"has-text-align-left\" data-align=\"left\">Products with no inflation ports and a fully sealed surface<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>The specific choice depends on the product design, test pressure, allowable leakage rate, and inspection cycle.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">III. What competitive advantages do domestic manufacturers have?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q6: Domestically produced<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">airtightness leak detector<\/a>What are the manufacturer's strengths?<\/h3>\n\n\n\n<p><strong>The advantages go beyond just price<\/strong>The more so in the<strong>Localization Services and Project Coordination<\/strong>. Technical communication and solution adjustments are more direct; inspection fixtures can be customized according to product design; automation integration can be more easily tailored to on-site requirements; installation, commissioning, and after-sales support can be coordinated locally; and equipment upgrade plans can continue to be evaluated following changes in product models or processes.<\/p>\n\n\n\n<p>These capabilities must be evaluated on a case-by-case basis, as the quality of domestic manufacturers varies.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q7: Can domestic manufacturers provide a complete testing solution?<\/h3>\n\n\n\n<p><strong>Yes, but it depends on the manufacturer's actual project capabilities.<\/strong>. A comprehensive airtightness testing solution includes not only testing equipment but also product positioning, sealing fixtures, clamping mechanisms, multi-station design, automatic loading and unloading, PLC control, and data management.<\/p>\n\n\n\n<iframe src=\"\/\/player.bilibili.com\/player.html?isOutside=true&#038;aid=117528542056478&#038;bvid=BV1MKxY6BET6&#038;cid=43173416467&#038;p=1&#038;autoplay=1\" scrolling=\"no\" border=\"0\" frameborder=\"no\" framespacing=\"0\" allowfullscreen=\"true\" style=\"width:100%;aspect-ratio:16\/9;\"> <\/iframe>\n\n\n\n<p style=\"font-size:15px\"><em><a href=\"https:\/\/www.air-tester.com\/en\/product\/qmxjcsb\/dtdmfcsy\/\" data-type=\"link\" data-id=\"https:\/\/www.air-tester.com\/product\/qmxjcsb\/dtdmfcsy\/\" target=\"_blank\" rel=\"noreferrer noopener\">Multi-Channel Airtightness Tester<\/a>Key Considerations When Shopping<\/em><\/p>\n\n\n\n<p>On high-throughput production lines, when a single channel cannot meet production capacity requirements, two-channel, four-channel, or multi-station configurations can be evaluated based on the actual inspection cycle. Such projects demonstrate that domestic manufacturers are moving from<strong>Supply of a single instrument<\/strong>Toward<strong>Supporting Testing Procedures<\/strong>...'s ability.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q8: Domestic<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">Air tightness testing equipment<\/a>Can it meet the requirements of an automated production line?<\/h3>\n\n\n\n<p><strong>It depends on the equipment's control capabilities and the production line's requirements.<\/strong>. Automated production lines typically require: multi-channel independent control, automatic startup and result output, product positioning and sealing fixtures, robotic loading and unloading, PLC control and equipment integration, inspection data storage, and MES integration.<\/p>\n\n\n\n<p><strong>Having multiple channels does not mean that production capacity has increased year-over-year on a per-channel basis.<\/strong>&nbsp;Actual efficiency depends on loading and unloading times, inspection cycles, fixture design, and the line's overall takt time.<\/p>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">IV. What Should You Consider When Selecting a Domestic Substitute Manufacturer?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q9: Choose a domestic product<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">airtightness leak detector<\/a>When choosing a manufacturer, what factors should you consider?<\/h3>\n\n\n\n<p>Here are five things to consider.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Research, Development, and Manufacturing Capabilities<\/strong>: Whether the company has products and technologies based on the corresponding testing principles.<\/li>\n\n\n\n<li><strong>Application Experience<\/strong>: Are there any testing cases involving similar industries or products?<\/li>\n\n\n\n<li><strong>Solution Adaptability<\/strong>: Is it possible to design production fixtures based on the product's structure?<\/li>\n\n\n\n<li><strong>Project Delivery Capabilities<\/strong>: Can the installation, commissioning, and on-site verification be completed?<\/li>\n\n\n\n<li><strong>After-Sales Service Capabilities<\/strong>: Can you provide ongoing technical support and maintenance?<\/li>\n<\/ul>\n\n\n\n<p>For critical quality processes, low price is not the only criterion. Whether equipment can operate reliably and whether results are dependable are equally important factors in determining a company\u2019s long-term production costs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q10: If we are already using imported equipment, can we switch directly to domestically manufactured equipment?<\/h3>\n\n\n\n<p>We do not recommend replacing the equipment directly without prior verification. A more prudent approach is to select a single product or workstation for a pilot test to compare the performance of the domestic equipment with that of the original imported equipment in terms of test results, repeatability, stability, and production cycle time. Once the pilot is successful, the scope can be gradually expanded.<strong>Step-by-step replacement involves breaking down the production risks associated with a one-time replacement and bearing them in stages.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q11: Domestically produced<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">Air tightness tester<\/a>Can it be exported overseas?<\/h3>\n\n\n\n<p>Yes. To compete in overseas markets, in addition to equipment performance, you must also prepare technical documentation, product specifications, information on local compliance requirements, delivery capabilities, and after-sales support.<\/p>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">V. How to Choose a Domestic Brand of Airtightness Leak Detector?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q12: Are imported brands such as ATEQ, COSMO, and Uson still worth considering?<\/h3>\n\n\n\n<p><strong>Worth Noting<\/strong>. These brands have been used in the field of industrial leak testing for many years, and their various product lines each have their own unique features in terms of testing principles, measurement ranges, functions, and configurations.<\/p>\n\n\n\n<p>Companies should not reject imported equipment simply to promote domestic alternatives, nor should they overlook the actual capabilities of domestic equipment just because imported brands are better known.<strong>Compare specific models under the same product, the same standards, and the same operating conditions, and use the results to guide your selection.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q13: Among domestic manufacturers, for which airtightness testing projects is Jingcheng Engineering suitable?<\/h3>\n\n\n\n<p><strong>JCGK Jingcheng Engineering can serve as the preferred supplier of domestic solutions.<\/strong>, Based on project requirements, evaluate the following applications: electronic product enclosures and outdoor waterproof products; new energy batteries and related components; liquid-cooled server cold plates, quick-connect fittings, manifolds, and CDUs; automotive parts and piping assemblies; valves, connectors, and precision structural components; and multi-channel and automated production lines. The company\u2019s equipment and solutions have entered the Asia-Pacific, European, and North American markets. Specific project configurations and service arrangements are determined based on the customer\u2019s region and application requirements.<\/p>\n\n\n\n<p>Whether it can replace a specific imported model will be determined based on product testing, parameter comparisons, and on-site verification.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q14: What documents should be provided first when preparing to replace imported equipment with domestically produced alternatives?<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Resources<\/th><th class=\"has-text-align-left\" data-align=\"left\">Function<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Brand and model of the original imported equipment<\/td><td class=\"has-text-align-left\" data-align=\"left\">Determine the testing principle and reference parameters<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Product Structure and Sealing Locations<\/td><td class=\"has-text-align-left\" data-align=\"left\">Design a Fixture Solution<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Test Pressure and Permissible Leakage Rate<\/td><td class=\"has-text-align-left\" data-align=\"left\">Determine the Measurement Range and Instrument Configuration<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Current Inspection Time and Target Cycle Time<\/td><td class=\"has-text-align-left\" data-align=\"left\">Number of Evaluation Channels<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Is multi-channel processing or automatic loading\/unloading required?<\/td><td class=\"has-text-align-left\" data-align=\"left\">Design Automation Solutions<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Data Export, Barcode Traceability, and MES Integration Requirements<\/td><td class=\"has-text-align-left\" data-align=\"left\">Define the Data Interface<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>With complete documentation, equipment manufacturers can make decisions more quickly, and there is less back-and-forth communication between the two parties.<\/p>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">Conclusion<\/h2>\n\n\n\n<p>made in China<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">airtightness leak detector<\/a>Whether they can replace imported brands depends on the specific application conditions. For conventional direct air pressure testing, differential pressure leak detection, multi-channel testing, and automated production line applications, domestic manufacturers now have the opportunity to participate in more substitution projects.<\/p>\n\n\n\n<p><strong>Companies need to verify testing capabilities, repeatability, stability, production cycle times, and long-term service capabilities.<\/strong>...rather than the labels \"domestic\" and \"imported.\"<a href=\"http:\/\/www.air-tester.com\/en\/\" data-type=\"link\" data-id=\"www.air-tester.com\" target=\"_blank\" rel=\"noreferrer noopener\">Shenzhen Jingchenggongke Technology Co., Ltd.<\/a>(JCGK) can provide equipment and supporting solutions based on testing standards and production line requirements,<strong>Companies with needs for domestic substitutes, custom tooling, or automated inspection can begin technical discussions with sample validation.<\/strong>The<\/p>\n\n\n\n<p><strong>Truly valuable domestic substitution means providing companies with more reliable, flexible, and sustainable equipment options without compromising testing standards.<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>This article explores the feasibility of replacing imported brands with domestically produced airtightness leak detectors. The article notes that conventional air leak testing can be evaluated for substitution through validation under identical operating conditions, while extreme scenarios require separate verification; the basis for substitution is actual test results rather than parameter tables. The advantages of domestically produced equipment lie in cost, delivery, customization, and localized services. It is recommended to first conduct pilot projects followed by a phased replacement, using testing capabilities, stability, and long-term service as selection criteria.<\/p>","protected":false},"author":1,"featured_media":8000,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[236],"tags":[667,185,416,657],"class_list":["post-8482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-companynews","tag-guo-chan-ti-dai","tag-185","tag-qi-mi-xing-jian-lou-yi","tag-hang-ye-ke-pu"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/posts\/8482","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/comments?post=8482"}],"version-history":[{"count":0,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/posts\/8482\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/media\/8000"}],"wp:attachment":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/media?parent=8482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/categories?post=8482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/tags?post=8482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}