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Air tightness tester

About our JCGK company

Who is Jingcheng Engineering (JCGK)? A domestic air-tightness testing brand dedicated to helping the manufacturing industry detect leaks.

This article introduces JCGK, founded in 2016, a leading domestic brand of airtightness testing equipment that specializes in helping manufacturing companies identify the risk of micro-leaks in their products through airtightness leak detection, sealing tests, and other technologies. Its core strengths lie in independent R&D, production line integration capabilities, and localized services. The company’s business spans multiple industries, including new energy, automotive, consumer electronics, medical devices, and liquid cooling, and is committed to providing end-to-end reliability assurance—from product testing to the establishment of quality management systems.

NVIDIA AI Liquid-Cooled Servers

Q&A: Why Is Leak Tightness Testing the First Line of Defense for Reliability Against the Risk of Micro-Leaks in Data Center Liquid Cooling Systems?

This article analyzes the requirements for high-precision airtightness testing in liquid-cooling systems for AI data centers and points out that the risk of micro-leaks is a core threat to system reliability. Using the Shenzhen Jingcheng Engineering JC-C10005 differential pressure leak tester as an example, the article illustrates how domestically manufactured equipment—through flexible customization, rapid response, and cost advantages—is gradually replacing imported equipment. It has become a critical component in the initial inspection of liquid-cooling production lines and, in combination with helium leak testing, helps ensure the autonomy and controllability of the industrial chain.

Jingcheng Gongke Gas Tightness Tester 2

Q&A: How Can Leak Testers Improve Production Line Throughput? A Case Study of Optimizing Test Efficiency Using JCGK’s Engineering Model

This article analyzes the root causes of low efficiency in airtightness testing production lines at manufacturing enterprises: traditional testing equipment must complete a fixed test cycle regardless of whether a product has been deemed defective, resulting in a significant amount of “unnecessary waiting.” The article introduces JCGK’s solution—an intelligent early-detection feature that shortens the testing time per unit while retaining an engineering mode for comprehensive data collection during the R&D phase—and elaborates on efficiency-enhancing measures such as parameter optimization and multi-station parallel processing.

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Q&A: Why Are Overseas Customers Increasingly Preferring Chinese Leak Tester? Decoding the Core Logic Behind the Global Expansion of Domestic Equipment

This article discusses the accelerating global expansion of China’s precision testing equipment, with air-tightness testing equipment emerging as a new focus. Through technological upgrades, efficient delivery, flexible collaboration models, and cost-effectiveness, the domestic manufacturer JCGK has transitioned from “substitute procurement” to “systematic services” in overseas markets such as Mexico and India, earning recognition for its global competitiveness.

Differential Pressure Leak Tester

The Most Comprehensive Guide Online! An Analysis of the Working Principle of Differential Pressure-Type Leak Tester: Taking the Jingcheng Engineering JC-C10005 as an Example

Using the Jingcheng Engineering JC-C10005 differential pressure air tightness tester as an example, systematically analyzes the core principles of differential pressure leak testing, its five-component architecture, the four-step testing process, and the mechanism for identifying micro-leaks. It compares the applicability limits of the direct pressure method and the flow method, and provides selection guidelines and practical tips for industries such as automotive, new energy, and precision die casting.

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.

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Lamp Airtightness Tester

Headlight Airtightness Tester: How Are Headlights Tested for Water Resistance? Volumetric Method

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