
The Strategic Sourcing Guide for Industrial Flanges in offshore and petrochemical industries
Learn about ASTM material selection, international standards compliance, and MTC 3.1 traceability for industrial flanges.

Learn about ASTM material selection, international standards compliance, and MTC 3.1 traceability for industrial flanges.
Learn the different international standards of pipe fittings and pipe flanges. Get the exclusive purchase list.
Learn the different international standards of pipe fittings and pipe flanges. Get the exclusive purchase list.
Since 1983, RAYOUNG has specialized in steel pipe fittings, flanges and steel pipes meeting standards for GB, GOST, EN, DIN, JIS, SANS, API, MSS, and ASME codes.
Your Responsible Supplier Partner for Oil & Gas & Chemical Pipeline Products
We will contact you within 2 hours, please pay attention to the email with the suffix ”@jsfittings.com” or ”@chinajsgj.com ”