Q&A: How Can Domestic Air-Tightness Leak Detectors Replace Imported Brands? Advantages of Domestic Manufacturers and Validation Methods

New energy batteries, liquid cooling, automotive parts, consumer electronics, medical devices, and home appliance manufacturing all rely onairtightness leak detectorMaintain the product's seal quality. In the past, when companies purchased this type of equipment,Give priority to imported brands such as ATEQ, COSMO, and Usonleak detectorBranding. Today, the technology and manufacturing capabilities of domestically produced equipment continue to improve,More and more companies are beginning to include domestic solutions on their shortlists.The

I. Can Domestic Equipment Replace Imported Brands?

Q1: Domesticairtightness leak detectorCan it replace ATEQ, COSMO, and Uson now?

Standard airtightness testing can be used for evaluation; extreme scenarios must be evaluated separately. Whether it can be substituted depends on the specific model and testing requirements.

Test Scenarios	Alternative Judgment	Based on
Direct-pressure, differential-pressure, flow-based, etc.	Can be evaluated through validation under the same operating conditions	Verify whether the test pressure, leak detection capability, repeatability, stability, and test cycle time meet the standards
Helium Mass Spectrometry Leak Detection, Ultra-Low Leak Rates	Individual Assessment	Differences in detection principles and sensitivity requirements
Special Gases, High-Vacuum Testing	Individual Assessment	Depends on specific configurations and technical specifications

Q2: Why are companies starting to consider domestically produced products?airtightness leak detector?

There are four reasons.

• Purchasing Costs: Companies hope to reduce equipment procurement and operating costs without compromising quality standards.
• Delivery Efficiency: Shorter lead times for communication, solution confirmation, equipment delivery, and commissioning.
• Customization Requirements: Product structures and manufacturing processes vary, requiring more flexible tooling and inspection solutions.
• Supply Chain Security: Having one more supplier to choose from means one less dependency on a single brand or a single channel.

Therefore, domestic substitution is a process of reassessment:Evaluate equipment procurement, production efficiency, and long-term maintenance costsThe

II. How Can the Testing Performance of Domestic Equipment Be Verified?

Q3: What are the key metrics used to compare domestic equipment with imported brands?

Norm	Key Points
Detection Principle	Does it match the product structure and leakage pattern?
Test Pressure Range	Does it meet the process requirements?
Leak Detection Capabilities	Does it comply with the permissible leakage limits specified in the product standard?
Accuracy and Resolution	Resolution is not the same as accuracy
Repeatability and Long-Term Stability	Repeatability is not the same as absolute accuracy; the process must be capable of continuous, stable production.
Inspection cycle	Does it match the production line's takt time?
Data and Interfaces	Are the data management and automation interfaces fully in place?

Different brands have varying definitions of parameters, measurement ranges, and calibration conditions,You cannot judge the quality of a device based on a single parameter alone.

Q4: How can we demonstrate that domestically manufactured equipment can replace the previously imported equipment?

Verification through comparison under the same operating conditions is carried out in five steps.

1. First, identify the model, detection principle, and technical specifications of the original equipment;
2. Then conduct the test using the same product, the same test setup, and the same test conditions;
3. Next, verify the detection capability using a standard leak or a sample with a known leak;
4. Then repeat the test several times to see if the results are consistent;
5. Finally, the product is put through a trial run on the production line to verify the cycle time and stability.

The basis for substitution is product quality standards and actual validation results, not the parameters listed in the equipment manual.

Q5: Can domestic manufacturers provide products based on different principles?Air tightness testing equipmentRight?

Manufacturers with R&D, design, and manufacturing capabilities, such asShenzhen Jingchenggongke Technology Co., Ltd.(JCGK) offers the following five categories of mainstream solutions:

Detection Methods	principle	Applicable Scenarios
direct pressure	Fill with air at a constant pressure and monitor the pressure drop	Routine seal testing: simple to perform and widely used
differential pressure	Compare the pressure changes between the reference chamber and the test specimen	High Precision, High Pressure, and Micro-Leak Detection
flow rate method	Monitor the gas flow rate passing through the leak point	Products with Specific Traffic Threshold Requirements
suction	Monitoring Pressure Changes After Evacuation	Products for which positive-pressure testing is not feasible
volumetric method	Using a Sealed Chamber for Quantitative Leak Measurement	Products with no inflation ports and a fully sealed surface

The specific choice depends on the product design, test pressure, allowable leakage rate, and inspection cycle.

III. What competitive advantages do domestic manufacturers have?

Q6: Domestically producedairtightness leak detectorWhat are the manufacturer's strengths?

The advantages go beyond just priceThe more so in theLocalization Services and Project Coordination. 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.

These capabilities must be evaluated on a case-by-case basis, as the quality of domestic manufacturers varies.

Q7: Can domestic manufacturers provide a complete testing solution?

Yes, but it depends on the manufacturer's actual project capabilities.. 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.

Multi-Channel Airtightness TesterKey Considerations When Shopping

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 fromSupply of a single instrumentTowardSupporting Testing Procedures...'s ability.

Q8: DomesticAir tightness testing equipmentCan it meet the requirements of an automated production line?

It depends on the equipment's control capabilities and the production line's requirements.. 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.

Having multiple channels does not mean that production capacity has increased year-over-year on a per-channel basis. Actual efficiency depends on loading and unloading times, inspection cycles, fixture design, and the line's overall takt time.

IV. What Should You Consider When Selecting a Domestic Substitute Manufacturer?

Q9: Choose a domestic productairtightness leak detectorWhen choosing a manufacturer, what factors should you consider?

Here are five things to consider.

• Research, Development, and Manufacturing Capabilities: Whether the company has products and technologies based on the corresponding testing principles.
• Application Experience: Are there any testing cases involving similar industries or products?
• Solution Adaptability: Is it possible to design production fixtures based on the product's structure?
• Project Delivery Capabilities: Can the installation, commissioning, and on-site verification be completed?
• After-Sales Service Capabilities: Can you provide ongoing technical support and maintenance?

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’s long-term production costs.

Q10: If we are already using imported equipment, can we switch directly to domestically manufactured equipment?

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.Step-by-step replacement involves breaking down the production risks associated with a one-time replacement and bearing them in stages.

Q11: Domestically producedAir tightness testerCan it be exported overseas?

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.

V. How to Choose a Domestic Brand of Airtightness Leak Detector?

Q12: Are imported brands such as ATEQ, COSMO, and Uson still worth considering?

Worth Noting. 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.

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.Compare specific models under the same product, the same standards, and the same operating conditions, and use the results to guide your selection.

Q13: Among domestic manufacturers, for which airtightness testing projects is Jingcheng Engineering suitable?

JCGK Jingcheng Engineering can serve as the preferred supplier of domestic solutions., 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’s 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’s region and application requirements.

Whether it can replace a specific imported model will be determined based on product testing, parameter comparisons, and on-site verification.

Q14: What documents should be provided first when preparing to replace imported equipment with domestically produced alternatives?

Resources	Function
Brand and model of the original imported equipment	Determine the testing principle and reference parameters
Product Structure and Sealing Locations	Design a Fixture Solution
Test Pressure and Permissible Leakage Rate	Determine the Measurement Range and Instrument Configuration
Current Inspection Time and Target Cycle Time	Number of Evaluation Channels
Is multi-channel processing or automatic loading/unloading required?	Design Automation Solutions
Data Export, Barcode Traceability, and MES Integration Requirements	Define the Data Interface

With complete documentation, equipment manufacturers can make decisions more quickly, and there is less back-and-forth communication between the two parties.

Conclusion

made in Chinaairtightness leak detectorWhether 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.

Companies need to verify testing capabilities, repeatability, stability, production cycle times, and long-term service capabilities....rather than the labels "domestic" and "imported."Shenzhen Jingchenggongke Technology Co., Ltd.(JCGK) can provide equipment and supporting solutions based on testing standards and production line requirements,Companies with needs for domestic substitutes, custom tooling, or automated inspection can begin technical discussions with sample validation.The

Truly valuable domestic substitution means providing companies with more reliable, flexible, and sustainable equipment options without compromising testing standards.