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Factory illustrations

Quick Q&A: Which Companies in Zhejiang Offer Good Airtightness and Water Resistance Testing Equipment? This Article Explains It All

This article analyzes the core requirements of Zhejiang’s manufacturing sector for airtightness and waterproof testing equipment, pointing out that the selection process should shift from “choosing a brand” to “choosing capability,” and emphasizing four key criteria: full pressure coverage, integration with automated production lines, high-precision micro-leak detection, and mass-production validation. Using JCGK as an example, the article illustrates how domestically produced equipment—thanks to its rapid response, cost advantages, and full-line integration capabilities—is rapidly replacing imported solutions and serving leading Zhejiang-based companies such as Geely, Robam, Ruipu Lanjun, and Roborock.

Jingcheng Gongke Gas Tightness Tester 2

2026 Leak Tester Industry Selection Guide: With the Acceleration of Domestic Substitution, How to Choose a Reliable Brand

This article is the 2026 Guide to Selecting Leak Testing Equipment published by Jingcheng Engineering. Its central argument is that the selection process should shift from a “precision-only” approach to one that prioritizes system capabilities that meet the actual needs of production lines. The article analyzes industry trends against the backdrop of accelerating domestic substitution, compares the strengths and weaknesses of international brands and domestic manufacturers, and—using Jingcheng Engineering’s JCGK as an example—emphasizes three core dimensions: full pressure coverage, automation integration, and mass-production stability. Ultimately, it proposes a selection logic based on matching solutions according to pressure levels and prioritizing integrated system solutions.

Jingcheng Gongke Gas Tightness Tester 2

Q&A: Is It Possible to Perform Leak Testing Without Custom Fixtures? A Comprehensive Guide to the Applications of Quick-Change Fixtures

This article outlines strategies for selecting between quick-change fixtures and custom jigs for airtightness testing. Quick-change fixtures are suitable for scenarios such as prototype testing, small-batch trial production, and production line spot checks, offering advantages such as low cost, short lead times, and flexible changeovers; custom tooling, on the other hand, is better suited for high-volume mass production and products with complex structures. Both should be used in combination at different stages of the product lifecycle to achieve cost reduction and efficiency gains.

Training and explaining the instrument to customers

How to Choose the Right Pressure for Leak Testing? From -95 kPa Vacuum to 5 MPa High Pressure: A Comprehensive Guide to Jingcheng Engineering Solutions

This article systematically analyzes the logic behind pressure selection for airtightness testing, covering four pressure ranges: low pressure (0–100 kPa), medium pressure (100–500 kPa), high pressure (>500 kPa), and ultra-high pressure (>1 MPa), covering core application scenarios such as consumer electronics, new energy vehicles, and hydrogen energy. It also introduces JCGK’s comprehensive pressure testing solutions and their key advantages.

On-site customer photos

Quick Q&A: Which air tightness tester in South China is worth recommending? Look no further than Jingcheng Engineering, a Shenzhen-based manufacturer.

This article analyzes the current state of the airtightness tester market in South China, compares the differences between imported and domestically produced equipment, and recommends JCGK, a Shenzhen-based manufacturer. The article notes that most manufacturing plants require stable production-line operation rather than extreme precision. It highlights JCGK’s strengths in integration capabilities, response speed, cost-effectiveness, and localized services, concluding that domestic alternatives have become a practical choice.

Factory illustrations

2026 Procurement Insider: How to Avoid the Low-Price Trap When Selecting Leak Testing Equipment

This article exposes the hidden cost pitfalls associated with low-cost, domestically produced airtightness testers, pointing out that while initial savings of a few thousand yuan in procurement costs may seem attractive, they can lead to subsequent losses of hundreds of thousands of yuan due to misjudgments, customer complaints, returns, and failed factory audits. Using JCGK as an example, the article highlights the core advantages of established suppliers in terms of software algorithm stability, customized delivery, after-sales response, and international certifications, urging manufacturing companies to focus on the total cost of ownership rather than simply the initial price.

5. Gas flow detector

Quick Q&A: What’s the Difference Between Differential Pressure and Flow-Type Leak Detectors? Everything You Need to Know in One Article—Don’t Make the Wrong Choice Again

This article systematically compares the key differences between differential pressure-type and flow-type airtightness testers. Differential pressure-type testers detect micro-leaks by comparing pressure changes between the test specimen and a standard reference chamber. They are resistant to temperature drift, offer high accuracy, and provide excellent repeatability, making them suitable for applications with high sealing requirements, such as new energy battery packs and automotive electronics; Flow-type testers directly measure the volume of gas leaked per unit time. They excel at identifying large leaks, measuring gas flow rates, and detecting blockages, making them suitable for flow performance analysis of valves, nozzles, and permeable membranes. The two types are not ranked as superior or inferior; rather, the choice depends on whether the testing objective is to determine "leakage" or "gas flow."

ePTFE Membrane Hydrostatic Pressure Tester

Real-Water Coating Combined with Precise Pressure: A Comprehensive Guide to the Efficient Testing Logic Behind the Water Resistance of Waterproof Breathable Membranes

This article introduces the Water Pressure Resistance Tester for Waterproof and Breathable Membranes launched by JCGK. Utilizing a "real water coating + pneumatic loading" method to simulate real-world operating conditions, it provides an intuitive assessment of the water-blocking capabilities of membrane materials such as ePTFE. The device covers the membrane surface with water and applies pressure, displaying real-time leakage data. It supports high-definition observation of failure phenomena such as water droplets, wetting, and pinholes on the membrane surface, and allows for photo and video recording for archiving. It is suitable for R&D validation and mass quality inspection in industries such as new energy, automotive electronics, and consumer electronics.

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