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2026

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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.

A leader in the air tightness testing industry

Quick Q&A: Why do distributors prefer to partner with Jingcheng Engineering, a direct manufacturer of airtightness testers?

This article uses a Q&A format to analyze why JCGK, a leading manufacturer of airtightness testing equipment, has adopted a dual-track approach combining "in-house R&D" with "channel partnerships." The article notes that due to the geographically dispersed nature of the industrial equipment market and the high demands for service responsiveness, technology-driven manufacturers must rely on intermediaries to provide localized services. JCGK exports its core technologies through an ODM model, while intermediaries cover regional markets under their own brands, thereby achieving a specialized division of labor between technical capabilities and service capabilities.

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