About Us
We are committed to providing exceptional valve pressure trial detecting equipment and promoting industrial safety standards worldwide. We offer customized pressure testing solutions tailored to meet the unique requirements of each client.


Zhejiang Youji Machinery Technology Co., Ltd (Brand: YOUJI)
At YOUJI, we specialize in delivering safe, reliable, and innovative valve testing solutions that meet the strictest international standards. With decades of expertise and cutting-edge technology, we have become a trusted partner for industries worldwide, including new energy, nuclear power, petrochemicals, and marine engineering.
Our state-of-the-art facility is powered by experienced engineers and advanced precision equipment, ensuring every product meets the highest benchmarks of quality, durability, and compliance. From hydraulic and pneumatic test benches to intelligent high-pressure detection systems, YOUJI products are engineered to provide long-lasting performance, reduced maintenance costs, and user-friendly operation.
To better serve global clients, YOUJI offers more than just equipment. We provide customized testing solutions, technical training programs, and full-scale project support—from consultation to after-sales service. Our R&D team, led by senior engineers, holds multiple patents and has developed breakthrough technologies, including the Hydraulic Intelligent Integrated Sealing Test Bench, recognized as a “First Major Technical Equipment in Zhejiang Province.”
As a certified supplier to China National Petroleum, CNOOC, Baofeng Energy, and Shandong Nuclear Power, YOUJI has proven its reliability in the most demanding industries. With continuous certification upgrades, our solutions meet the requirements of the European Union and other high-standard markets, reinforcing our position as a global leader.
Looking ahead, YOUJI is committed to advancing innovation, enhancing product performance, and building global partnerships. Our mission is clear: to deliver safer, smarter, and more efficient valve testing solutions that empower businesses worldwide.






Vision
To be the premier valve pressure trial detecting equipment provider, recognized for exceptional engineering excellence, technological innovation, and positive impact on industrial pressure testing standards.
Mission
Our mission is to improve and transform industrial operations through reliable and comprehensive valve pressure trial detecting solutions. We are committed to delivering exceptional pressure testing equipment, promoting safety standards, and advancing pressure detection technology through innovation and research. We strive to be the trusted partner in our clients' valve pressure testing requirements and operational safety.
Our Certificate
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Patent Certificate
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Case Studies
Explore how leading global valve manufacturers rely on Zhejiang Youji’s precision valve testing solutions. Each case highlights real-world applications, technical advantages, and customer feedback.
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