The hydraulic industry is the backbone of modern civilization, powering everything from massive construction excavators to high-precision aerospace components. Within this complex ecosystem, Hydraulic Test Points (often referred to as test couplings or pressure diagnostic points) play a critical role in system health monitoring and maintenance. Adherence to the ISO 15171-2 standard is no longer just a preference; it is a global industrial mandate.
ISO 15171-2 specifies the dimensions, performance requirements, and test methods for diagnostic couplings with an M16x2 connection thread. This standardization ensures that a hydraulic test point manufactured in China can seamlessly connect to a pressure gauge produced in Germany or a microbore hose from the USA. For global procurement managers, this interchangeability reduces inventory complexity and eliminates the risk of system downtime caused by mismatched components.
Currently, the market for hydraulic diagnostic components is witnessing significant growth in North America and the European Union, driven by strict safety regulations and the push for "Predictive Maintenance." In the Asia-Pacific region, specifically China, the massive scale of infrastructure projects has created an unprecedented demand for high-quality, wholesale hydraulic test points that can withstand extreme pressures (up to 630 bar) without leakage.
IKIN is our registered trademark, and TM Hydraulic is the operating company.
We specialize exclusively in manufacturing hydraulic test points & hoses — nothing else. With ISO and SGS certifications, a 5,000㎡ production facility, and new workshops under development, we ensure reliable quality and professional standards.
Our products feature cone-seal, zero-leakage designs, 100% inspection, and a 3-year quality warranty. Based in China, we offer a full range of models and have become a trusted supplier to major brands such as SANY, XCMG, Parker, Hawe, GE, Rexroth, Caterpillar and so on.
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Hydraulic test points are evolving from simple mechanical valves to "smart nodes." Integration with digital pressure sensors allows real-time data transmission to AI-driven maintenance platforms.
The global shift toward "Zero Leakage" policies means that the sealing technology in ISO standard test points must exceed traditional requirements. Our cone-seal design is at the forefront of this trend.
Factories are no longer just looking for standard parts; they need customized thread sizes (NPT, BSPP, Metric) and specialized materials like 316Ti Stainless Steel for offshore applications.
Our flagship ISO Standard M16x2 test points are engineered for high-pressure environments. Featuring a patented cone-seal mechanism, they ensure zero leakage even under vibration. Ideal for mobile hydraulics and industrial power units, these test points allow for safe, under-pressure connection to diagnostic equipment.
Material: Carbon Steel (Zinc-Nickel Plated) or Stainless Steel.
Working Pressure: Max 630 Bar.
Founded as the exclusive distributor of Germany’s Beta brand in China.
Partnership with German Beta terminated due to differences in philosophy.
Began developing own hydraulic test fittings, starting with wind power reliability testing.
Established manufacturing facility in Changzhou. Mass production and market promotion began.
Recognized as a “High-Tech Enterprise of Jiangsu Province.”
Once again awarded the “High-Tech Enterprise” title.
Certified as a “Municipal Engineering Technology Research Center.”
Honored as “Gazelle Enterprise” and “Specialized, Refined, Special Enterprise.”
From 2017 Until Now: Established partnerships with leading companies such as SANY, XCMG, Hengli, CRRC, Bucher, Argorhytos, Caterpillar, Parker, Hawe, Zoomlion and so on.
Our Hydraulic Test Points are utilized across diverse environments, each with unique challenges. As a China-based factory with global reach, we tailor our products to meet these specific localized needs:
In the high-altitude, high-vibration environments of wind turbines, the reliability of hydraulic pitch and brake systems is non-negotiable. Our test points were first developed for this industry, ensuring they can handle the constant stress and environmental variables of renewable energy hubs.
From the humid jungles of Southeast Asia to the dry deserts of the Middle East, SANY and XCMG machinery rely on our test points for field diagnostics. The Zinc-Nickel plating provides superior corrosion resistance (1000h+ salt spray test), making them ideal for global export.
Seawater is the ultimate enemy of hydraulic components. Our 316L stainless steel ISO standard test points are used in ship steering systems and offshore drilling rigs to ensure safe pressure monitoring in salt-rich atmospheres.
Designed to complement our ISO test points, these microbore hoses (DN2 and DN4) allow for remote pressure monitoring in confined spaces. They are flexible, durable, and rated for high pressure, providing a complete diagnostic circuit when paired with our couplings.
Internal Diameter: 2mm / 4mm
Burst Pressure: Up to 1900 Bar.
Many procurement managers are shifting their supply chain focus toward China, not just for cost, but for innovation and speed. Here is how we redefine "Made in China":
In our Changzhou facility, we can move from a custom design concept to a prototype in days, whereas European or North American manufacturers might take months. Our status as a "Gazelle Enterprise" highlights our rapid growth and innovation capacity.
By controlling the entire production process—from raw material sourcing to final 100% pressure testing—we insulate our clients from global supply chain disruptions. We maintain massive stock levels of standard ISO parts for immediate wholesale shipping.
We provide the same (or better) technical specifications as top-tier German brands like Parker or Rexroth, but at a more competitive price point due to our specialized focus and local manufacturing efficiencies.
In recent years, TM Hydraulic have steadily expanded into international markets, supplying hydraulic test points & hoses to Europe, North America, and Southeast Asia.
Certified to ISO standards for consistent quality.
Patented cone-seal design ensures leak-free performance.
Each product is fully pressure tested before delivery.
Over 10 years focused only on hydraulic test fittings.
Trusted by SANY Crane, Parker, and Caterpillar for stable supply.
Logo customization available—no extra cost to support your brand.