About Shuangneng

Since 2004, the company has been focusing on the production of stainless steel and special materials of national standard flanges, non-standard flanges, pipe fittings, sight glasses, and manhole. It is a stainless steel flange integrated service provider integrating R&D, manufacturing, sales, and service. The company has excellent equipment and advanced technology. It has obtained the National Special Equipment Manufacturing License (certificate number TS2733F25-2027), ISO9001 certificate, and CE certification, ensuring that the company's product quality advantages are more competitive in the industry.