Yuyao No. 4 Instrument Factory is a premier manufacturer of fluid control components based in Yuyao, Zhejiang Province, China. Established in 1965, the company has over 50 years of specialized experience in the design and production of solenoid valves. Operating from a facility with approximately 101 to 200 employees, the factory is equipped with advanced CNC digital controlled apparatus and complete testing systems to ensure high-precision manufacturing. The company maintains a robust R&D team capable of providing OEM and ODM services, including the development of customized solenoid valves for military applications.
Their extensive product portfolio encompasses over 40 series and 3,000 specifications, including water, air, steam, gas, and liquid solenoid valves. Specialized offerings include high-pressure, explosion-proof, anti-corrosive, miniature, and bistable latching valves, as well as RO machine components, solenoid valve coils, and pneumatic angle seat valves. These products serve diverse industries such as solar energy, home appliances, coffee machines, and industrial automation.
Yuyao No. 4 Instrument Factory is committed to international quality standards, holding ISO 9001:2015 and GJB9001A-2001 certifications. Their products are compliant with numerous global safety and quality benchmarks, including CE, RoHS, UL, FDA, NSF, ACS, and 3C for explosion-proof series. With a strong reputation for reliability and innovation, the company exports to over 20 countries and regions, including the United States, Canada, Germany, France, Australia, and Saudi Arabia.