{"id":8294,"date":"2026-07-24T09:00:32","date_gmt":"2026-07-24T01:00:32","guid":{"rendered":"https:\/\/www.air-tester.com\/?p=8294"},"modified":"2026-07-25T16:13:32","modified_gmt":"2026-07-25T08:13:32","slug":"guo-chan-qi-mi-yi-ti-dai-jin-ko","status":"publish","type":"post","link":"https:\/\/www.air-tester.com\/en\/guo-chan-qi-mi-yi-ti-dai-jin-ko.html\/","title":{"rendered":"Can Domestic Airtightness Testers Replace Imported Ones? A Guide to Selecting Equipment: From \u201cReplacing Individual Machines\u201d to \u201cReducing Costs and Improving Efficiency on Production Lines\u201d"},"content":{"rendered":"

Recently, at a project review meeting for a foreign-invested home appliance manufacturer in Qingdao, Shandong, the procurement and engineering teams outlined clear evaluation criteria:Test pressure range, leak detection accuracy, PLC communication capabilities, level of automation integration, long-term operational stability<\/strong>The<\/p>\n\n\n\n

\n

Their production lines have long been equipped with imported brands.Air tightness testing equipment<\/a>...used for batch quality control of washing machine water valves and sealing assemblies. This time, they took the initiative to seek out alternative domestic solutions.<\/p>\n<\/blockquote>\n\n\n\n

Ten years ago, it would have been almost unthinkable for foreign-invested companies to proactively evaluate domestically manufactured testing equipment. Today, however, the core criterion for corporate decision-making has shifted from \u201cImported or Domestic<\/strong>\", changed toDoes performance meet standards? Are maintenance costs more favorable? Is service response faster? Is the total cost of ownership manageable?<\/strong>The
This shift in evaluation logic is continuing to spread throughout the manufacturing sector.<\/p>\n\n\n\n

I. Entry Barriers for Imported Equipment: A Moat Built on Algorithmic Expertise<\/h2>\n\n\n\n

To understand domestic substitution, we must first objectively acknowledge the historical advantages of imported brands.
Over the past few decades,Leading head detection brands in Europe, the U.S., and Japan have leveraged their first-mover advantage<\/strong>...extensive validation in a wide range of industrial scenarios, as well as a mature system of detection algorithms, have helped the company build a strong brand reputation in the automotive, home appliance, and high-end manufacturing sectors.<\/p>\n\n\n\n

\"Three
2026 GlobalAirtightness Tester<\/a>Three camps of the market<\/em><\/figcaption><\/figure>\n\n\n\n

Leak testing is by no means a simple matter of pressure measurement; rather, it is a comprehensive engineering system that encompasses gas-filling control, pressure stabilization algorithms, temperature compensation, leak calculation, and data processing.<\/strong>. This set of technical capabilities requires long-term refinement through iterative application in industrial settings\u2014which is precisely the core barrier that has long made imported equipment so difficult to displace.<\/p>\n\n\n\n

However, as domestic industrial inspection technologies continue to evolve, the landscape is changing:Domestic equipment has gradually achieved technical parity with imported equipment in the main mass production scenarios that the latter can cover.<\/strong>...and it better meets the actual needs of Chinese manufacturing sites in terms of production line compatibility, service response speed, and other factors.<\/p>\n\n\n\n

II. Technical Level: Differential Pressure Detection Has Achieved Benchmarking with Peers<\/h2>\n\n\n\n

Engineering with Dedication and Integrity\u00a0JC-C10005 <\/a>rangeDifferential Pressure Airtightness Tester<\/a><\/strong>Using these examples, we can clearly see the current technical capabilities of leading domestic equipment manufacturers.<\/p>\n\n\n\n

The core logic of differential pressure detection isGas is introduced simultaneously into the standard chamber and the workpiece under test, and leaks are detected by comparing the pressure difference between the two sides in real time.<\/strong>. This design naturally eliminates the three major sources of interference in traditional direct-drive systems:Volume errors caused by fluctuations in ambient atmospheric pressure and temperature changes, as well as baseline shifts resulting from variations in workpiece volume<\/strong>The
Similar to weighing logic, the differential pressure method is like an electronic balance rather than a spring scale\u2014the reference standard changes in tandem with the environment,Only actual leaks result in a difference that can be accurately detected.<\/strong>The<\/p>\n\n\n\n

Testing Dimensions<\/th>Traditional Direct-Press Method<\/th>Differential Pressure Comparison Method<\/th><\/tr><\/thead>
Resistance to Environmental Interference<\/td>general<\/td>\u5f3a<\/td><\/tr>
Effects of Temperature Changes<\/td>obviously<\/td>lower (one's head)<\/td><\/tr>
Minor Leak Detection Capability<\/td>Limited<\/td>High Sensitivity<\/td><\/tr>
Adaptability to Mass Production Rhythms<\/td>Moderate<\/td>\u5feb<\/td><\/tr>
automation integration<\/td>Supported<\/td>Native support<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"Differential<\/a>
JCGK, the Jingcheng Engineering brand\u2019sDifferential Pressure Airtightness Tester<\/a><\/em><\/figcaption><\/figure>\n\n\n\n

In terms of key metrics,JC-C10005<\/a> Detection resolution reaches 0.1 Pa, and leak resolution is as low as 0.001 ml\/min. fluctuations in consecutive tests on the same workpiece can be controlled within 1%. Its accuracy and repeatability have reached the level of imported equipment of the same class, and it can reliably meet the waterproof testing requirements for IP65, IP66, IP67, IP68, and IP69 ratings.<\/p>\n\n\n\n

Automation Integration: What Truly Sets Domestic Solutions Apart<\/h3>\n\n\n\n

Testing accuracy is a basic requirement, but in China\u2019s mass-production plants,The ability of equipment to quickly adapt to changes in the production line is what truly determines its value.<\/strong>The<\/p>\n\n\n\n

JC-C10005<\/a> It natively supports PLC communication, Profinet bus, multi-station expansion, integration with MES systems, and QR code traceability. But even more critical than the list of features is response efficiency: When this foreign-invested enterprise in Qingdao proposed \u201cAdd new inspection stations + integrate with the existing MES system<\/strong>\"When responding to such requests, domestic manufacturers can provide implementation plans within a matter of days, rather than having to wait for multinational corporations to go through lengthy approval processes and cross-regional scheduling.\"
Response speed, in and of itself, is a form of productivity.<\/strong><\/p>\n\n\n\n

III. Correcting Misconceptions: Domestic Substitution \u2260 Low-Cost Substitution<\/h2>\n\n\n\n

There is a common misconception that needs to be clarified:Domestic substitution does not mean \u201ccheaper imported equipment,\u201d but rather a manufacturing option that offers greater overall value for the same requirements.<\/strong>The<\/p>\n\n\n\n

When evaluating equipment costs, the analysis should be broken down into three levels:Initial procurement costs, maintenance and downtime costs, and customization and iteration costs<\/strong>. Among these, the initial procurement carries the lowest weight; the latter two are the key factors determining the total investment over the 5- to 10-year lifecycle. The core advantages of domestic solutions lie precisely in the two dimensions with higher weightings: rapid maintenance response, minimal downtime losses, and flexible customization and iteration.<\/p>\n\n\n\n

IV. Overview of Industry Substitution Maturity<\/h2>\n\n\n\n

Domestic substitution does not cover all scenarios, and there are significant differences in maturity across different industries.<\/p>\n\n\n\n

sector<\/th>Typical Products<\/th>Core Testing Requirements<\/th>Substitution Maturity<\/th><\/tr><\/thead>
New Energy<\/td>Battery Enclosures, Battery Packs, Energy Storage Cabinets<\/td>Waterproof and moisture-resistant; provides long-term, reliable sealing<\/td>\u2713 Mature<\/td><\/tr>
Auto Parts<\/td>Valve bodies, connectors, and electrical components<\/td>Compliance with IP ratings, batch consistency<\/td>\u2713 Mature<\/td><\/tr>
Home Appliances<\/td>Water valve, water tank, capillary tube<\/td>Long-Term Sealing Reliability<\/td>\u2713 Mature<\/td><\/tr>
Consumer Electronics<\/td>Smart Wearables, Cell Phone Accessories<\/td>IP Protection Rating Verification<\/td>\u2713 Mature<\/td><\/tr>
Medical Equipment<\/td>Tubing, Sealing Chambers, Consumables<\/td>Stable and controllable, with traceable data<\/td>\u2713 Mature<\/td><\/tr>
aerospace<\/td>High-Vacuum Systems, Special Seals<\/td>Ultimate Precision, Extreme Operating Conditions<\/td>There is still a gap<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

It must be objectively noted that imported high-end equipment remains irreplaceable in applications involving extreme high vacuum, specialized aerospace applications, and certain laboratory-level extreme testing scenarios; however, such scenarios account for only a very small portion of industrial testing needs.
Data shows that,The market penetration rate of domestically produced equipment in the new energy vehicle sector has exceeded 65%, while the market share of imported equipment has fallen from 41.5% in 2021 to 28.6% in 2025.<\/strong>...The conditions for replacing mainstream mass-production applications are now fully in place.<\/p>\n\n\n\n

V. Four Core Criteria for Mass Production Selection<\/h2>\n\n\n\n

As one of the earliest manufacturers in China to specialize in airtightness testing,Shenzhen Jingchenggongke Technology Co., Ltd.<\/a>(JCGK) Through many years of serving leading clients, we have distilled one key lesson:selectionAir tightness testing equipment<\/a>...Brand background should not be the primary criterion for evaluation; all four core dimensions are essential.<\/strong><\/p>\n\n\n\n

Testing accuracy is fundamental<\/strong><\/h3>\n\n\n\n

Focus on leak resolution, detection repeatability, and long-term stability<\/strong>... prioritize validation data from actual mass-production scenarios over theoretical specifications obtained under ideal laboratory conditions.<\/p>\n\n\n\n

The test cycle directly affects production capacity<\/strong><\/h3>\n\n\n\n

In a mass-production environment, every 10-second increase in the time required to inspect a single workpiece results in a loss of nearly 30 hours of production capacity for a line producing 10,000 units per day\u2014This is a cost that no factory manager can afford to ignore.<\/strong>The<\/p>\n\n\n\n

Automation integration capabilities are a key entry barrier<\/strong><\/h3>\n\n\n\n

PLC Communication, MES Integration, QR Code Traceability, Automated Sorting<\/strong>...These are not value-added features, but rather standard requirements for modern smart manufacturing production lines.<\/p>\n\n\n\n

Total Life-Cycle Cost Is the Ultimate Measure<\/strong><\/h3>\n\n\n\n

Maintenance costs, speed of spare parts delivery, service response time, and future upgrade paths,It is only when all these factors are taken into account that the true cost of a piece of equipment becomes clear.<\/strong>The<\/p>\n\n\n\n

Conclusion<\/h2>\n\n\n\n

As more and more foreign companies ultimately choose JCGK\u2019s solutions, the decision is driven not by low prices, but byPerformance Meets Standards, Reliable Service, and Controllable Total Cost<\/strong>All three conditions are met simultaneously.<\/p>\n\n\n\n

This decision-making logic is reshaping procurement standards in China\u2019s manufacturing sector.
In the past, companies used imported equipment because they had no other choice; now, because they have better options, they are reevaluating every procurement decision.<\/p>\n\n\n\n

\n

in order to JC-C10005<\/a> Domestic high-performance models, as represented by the seriesAir tightness testing equipment<\/a>...is helping an increasing number of manufacturing companies proactively transition from \u201creliance on imports\u201d to \u201chigh-performance domestic alternatives\u201d through industry-leading inspection accuracy, deep automation integration capabilities, rapid localization services, and lower total lifecycle costs.<\/p>\n<\/blockquote>\n\n\n\n

True, mature domestic substitution has never been simply a matter of changing brand labels; rather, it involves enabling manufacturing companies, while ensuring quality, toRegaining the Freedom to Choose<\/strong>The<\/p>\n\n\n\n

Original Statement:<\/strong>this paper was written byShenzhen Jingchenggongke Technology Co., Ltd.<\/a>Written by the technical team, reproduced with attribution.Data sources<\/strong>: Precision Engineering internal test data and customer cases.<\/em><\/em><\/p>","protected":false},"excerpt":{"rendered":"

This article explains that the core rationale behind replacing imported equipment with domestically produced airtightness testers has shifted from \u201clow-cost substitution\u201d to \u201cvalue surpassing.\u201d Taking the Jingcheng Engineering JC-C10005 series as an example, domestically produced equipment has achieved parity with imported counterparts in terms of differential pressure measurement accuracy and has established differentiated advantages in areas such as automation integration, service response speed, and total cost of ownership. Currently, substitution is well established in mainstream mass-production scenarios such as new energy, automotive, and home appliances; only in extreme scenarios such as aerospace does a gap remain.<\/p>","protected":false},"author":1,"featured_media":8297,"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":[28],"tags":[667,39],"class_list":["post-8294","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industrynews","tag-guo-chan-ti-dai","tag-39"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/posts\/8294","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=8294"}],"version-history":[{"count":1,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/posts\/8294\/revisions"}],"predecessor-version":[{"id":8308,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/posts\/8294\/revisions\/8308"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/media\/8297"}],"wp:attachment":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/media?parent=8294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/categories?post=8294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/tags?post=8294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}