Liquid and gas valve inspection equipment
Zero tolerance for leaks
Petrochemical, smelting, nuclear power, fine chemicals, and infrastructure pipeline valve testing: a VALVE TEST BENCH designed for extreme conditions
Technical Excellence
Leverage 20 years of valve testing expertise with our advanced equipment solutions; access cutting-edge technology backed by 11 national patents and certified engineering team.
Global Partnership
Connect with trusted suppliers to major energy companies including PetroChina, Sinopec, and CNOOC through our proven track record and international certifications.
Complete Solutions
Explore comprehensive valve testing equipment from intelligent test machines to torque data platforms, designed for optimal performance and reliability.
Project
The Latest Projects
By Test Bench StructureRead moreJWZ type (computerized) hydraulic valve test stand
- By Test Bench StructureRead more
JWT type welding hydraulic valve test bench
- Butterfly, Check, Knife Gate Valve (Wafer/Lug Type) Test BenchRead more
JLD Type Butterfly Valve Hydraulic Valve Test Bench
- By Test Bench StructureRead more
JWZQ type diving hydraulic valve test bench
- By Test Bench StructureRead more
JLT Type Vertical Hydraulic Valve Test Bench
- By Test Bench StructureRead more
JLA Type Safety Valve Performance Test Bench
- By Test Bench StructureRead more
JWT-DL type screw valve test bench
- Valve Grinding MachinesRead more
JLX type plug valve grinding machine(single station/double station)
About Us
We always deliver precision and innovation in every valve testing solution.
With YOUJI, you gain a partner focused on quality, trust, and sustainable solutions for your long-term success.
Zhejiang Youji Machinery Technology Co., Ltd (YOUJI) is a trusted manufacturer of advanced valve testing systems. We help global clients in energy, petrochemical, nuclear power, and marine industries achieve higher safety and efficiency.
Our Core Advantages:
- Proven Reliability – Certified to international standards, ensuring compliance in EU and high-standard markets.
- Durable & Cost-Effective – Long-lasting performance that reduces maintenance costs.
- Innovation Driven – Intelligent high-pressure systems with user-friendly design.
- One-Stop Support – Professional consulting, engineering, and after-sales service.
INDUSTRIAL TESTING
Valve Testing Solutions
Valve Testing Equipment
Our comprehensive testing benches offer precision testing for all valve types including ball valves, gate valves, butterfly valves, and safety valves with advanced clamping and pressing systems.
Grinding Equipment
Professional valve component grinding machines including planetary valve disc grinders, plug valve grinders, and specialized ball and valve body grinding systems.
Other Test Benches
Versatile testing benches designed for special applications such as safety valve calibration, high-pressure trials, and multifunctional valve testing. Engineered for accuracy and reliability to meet diverse industrial needs
Custom Solutions
Specialized testing systems for unique applications including nuclear power plant valves, submersible testing equipment, and tailored industrial automation solutions.
Ready to optimize your valve testing processes? Get expert consultation today!
Why Choose Us
YOUJI is a pioneer in valve testing equipment industry with 20 years of excellence, delivering cutting-edge solutions to global markets including major energy corporations.
Industry pioneer with proven track record
20 years of specialized expertise as a China Valve Association member and Zhejiang Province "Specialized & Innovative" enterprise. Our clamping test bench was selected as "Wenzhou Quality Product" and featured in Zhejiang's advanced manufacturing leadership program.
Trusted by global energy leaders
Qualified supplier for PetroChina, Sinopec, CNOOC, Baofeng Energy, and Shandong Nuclear Power Equipment. Products exported to Russia, Korea, Japan, Southeast Asia, Europe, and Americas with growing international presence.
Innovation-driven technology
32-person dedicated team with 7 technical specialists and 2 engineers, holding 11 national technical patents. We specialize in intelligent valve testing machines, torque data testing platforms, and life testing equipment with comprehensive R&D capabilities.
Certificates Worth You Trust
Don’t Risk Your Business With Unreliable Test Equipment —
A Low Price Brings Joy Only Once, But The Trouble Lasts Forever!
Trusted by Our Clients
My Clients
Behind every YOUJI valve testing system lies our unwavering commitment to precision, reliability, and service excellence. We deliver customized testing solutions for diverse industrial and engineering applications, ensuring that every valve’s performance meets – and surpasses – our clients’ highest standards.
International Clients
We are honored to work with leading oil & gas, energy, and engineering companies around the world
Domestic Clients
We are a trusted partner for China’s leading oil & gas companies, valve manufacturers, and engineering firms
CUSTOMER TESTIMONIALS
What Our Clients Say
Need Professional Valve Testing Equipment?
Get industry-leading valve testing solutions with 20+ years of expertise. ISO9001 certified equipment trusted by companies worldwide.