Reliability under pressure defines oil & gas parts. JOC manufactures valves bodies, wellhead fittings, flowline components, and high-pressure connectors with materials and processes proven in sour service and abrasive media. As a China manufacturer and global supplier, we combine NACE-compliant alloys, precision machining, and documented QA to protect uptime. Learn more in Resources and begin specs alignment through Contact Us.
By controlling metallurgy, heat treatment, and machining to the micron. We certify chemistry, verify hardness windows, manage cladding or overlay where needed, and validate with hydro, MPI, and UT. Thread forms and sealing surfaces are gauged to rigorous standards.
We’re built for harsh duty. From low-temperature impact toughness to H2S resistance, our process discipline turns drawings into dependable metal. Have a fast-track project? Contact us now via Contact Us.
Add: 20/FL., 26 North Zhongshan Road, Nanjing, Jiangsu, China
Tel: 0086-25-83317070
Fax: 0086-25-83303377
E-mail: peter@jocmachinery.com