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液冷板气密性检测方案怎么选？漏率要求、日产量、运营成本三维度决策模型

2026-07-31

This article addresses the scenario of 100% inspection on production lines in the airtightness testing industry, emphasizing that repeatability is more critical than accuracy. Based on 11 consecutive sets of actual measurement data from the JCGK Direct-Pressure Airtightness Tester by Jingcheng Engineering, the study verifies that its leakage values remain stable at 6–7 Pa, with fluctuations of only ±1 Pa. The paper analyzes the three key technological pillars supporting this performance—high-precision sensors, proprietary gas path control, and temperature drift compensation algorithms—and concludes with recommendations for selecting the appropriate model for different pressure scenarios.

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Differential Pressure Leak Tester

Can Domestic Airtightness Testers Replace Imported Ones? A Guide to Selecting Equipment: From “Replacing Individual Machines” to “Reducing Costs and Improving Efficiency on Production Lines”

2026-07-24

This article explains that the core rationale behind replacing imported equipment with domestically produced airtightness testers has shifted from “low-cost substitution” to “value surpassing.” 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.

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Jingcheng Gongke airtightness tester in the automated production line application

The Logic Behind Selecting a Leak Tester Brand for New Projects: How to Ensure Zero-Risk Production Line Implementation Using Proven Case Studies

2026-07-17

This article explains how the manufacturing industry’s approach to purchasing airtightness testers is shifting from “buying standalone units” to “selecting comprehensive solutions.” Companies are no longer focusing solely on price but are instead viewing the equipment as a core quality control point on the production line. JCGK, a leading domestic brand, has become the designated supplier for projects in the new energy, automotive, and consumer electronics sectors thanks to its end-to-end solutions, rapid customization for non-standard requirements, localized services, and mass-production validation across multiple industries, successfully replacing imported products in high-end applications.

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On-site customer photos

Localizing Leak Testers Isn’t About “Cheaper Alternatives,” but About “Choice”: A Carmaker’s Account of the Transition

2026-07-09

Taking the experience of a certain automotive parts company that encountered “lock-in” while using imported airtightness testing equipment as a starting point, this article analyzes the risks of long-term lock-in inherent in equipment procurement within the industrial sector, explores the background and driving forces behind the rise of domestic alternatives in the airtightness testing industry, uses JCGK as an example to illustrate how domestic equipment has evolved from being a mere “substitute” to a “preferred choice,” and ultimately argues that a healthy industrial relationship should grant enterprises the right to diverse choices rather than single-source dependence.

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Sweeper Project Matching Chart 3

Jingcheng Engineering’s Field Tests Reveal: How Accurate Is the Repeatability of Direct-Pressure Leak Testers?

2026-07-02

This article addresses the scenario of 100% inspection on production lines in the airtightness testing industry, emphasizing that repeatability is more critical than accuracy. Based on 11 consecutive sets of actual measurement data from the JCGK Direct-Pressure Airtightness Tester by Jingcheng Engineering, the study verifies that its leakage values remain stable at 6–7 Pa, with fluctuations of only ±1 Pa. The paper analyzes the three key technological pillars supporting this performance—high-precision sensors, proprietary gas path control, and temperature drift compensation algorithms—and concludes with recommendations for selecting the appropriate model for different pressure scenarios.

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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

2026-06-25

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.

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Jingcheng Gongke Gas Tightness Tester 2

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

2026-06-17

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.

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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

2026-06-11

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.

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Factory illustrations

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

2026-06-04

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.

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