公司简介 / brief introduction

About Us

China United Special Steel (CUMCO) operates as a master distributor, supplier and wholesaler of carbon steel weld fittings, flanges, forged steel fittings and valves.

The company formed in 2004 from a merger between China United Special Steel International Corp (CUMCO) and Global Piping & Pipe Fittings and Flanges, Inc.  CUMCO  had a nearly 40 year history of providing carbon steel products to the World  market. CUMCO specialized in import products and was a subsidiary of TJP Korea which had been operating since 2004.

With the synergy of history and extensive experience of both companies combined, CUMCO  proceeded to increase market share and expand its business in the carbon steel product industry.

We currently have five offices throughout the continental  China including our corporate headquarters in China. Our regional offices are in Wuxi, Yantai, Tianjin China,Incheon Korea, Pusan Korea, 

Our wide and loyal customer base is proof of the CUMCO Corp advantage.

Steel pipe technology and products
  • Hot rolled Seamless tubes
  • Cold rolled Seamless tubes
  • ERW pipe
  • EFW Pipe
  • UOE Welded pipe
  • JCOE Welded Pipe
  • LSAW Welded pipe
  • SSAW Welded pipe
  • Steel pipe anti-corrosion treatment
  • Tee presses
  • Large OD and small beveling machines
  • Heat treating
  • In-house tool & die capabilities
  • Cold Forming
  • Hot Forming
  • In-house X-ray
  • Q&A Testing labs
  • Specialized plate department