We are a Professional manufacturer of fully threaded studs in China. With 15 years of expertise, we specialize in the production of fully threaded studs conforming to the ASTM SA193 B7, SA193 B7M, A320 L7, A320 L7M and A320 L43 series.

 

As an ASME-certified fastener manufacturer based in China, we are a qualified fastener supplier for FPSO (Floating Production Storage and Offloading) vessels used in offshore oil and gas exploration and production. Our factory holds the TS Special Equipment Manufacturing License (Pressure Piping) issued by the China Special Equipment Inspection and Research Institute.

 

Our products have obtained the EU CE certification and passed the on-site verification in accordance with the Pressure Equipment Directive 4.3 (PED 4.3). We are authorized to independently issue EN 10204 3.1 certificates. Additionally, our products have successfully attained API 20E/20F certifications.