Standard
GB/BS/EN/DIN/ASTM/JIS/AISI
Application
Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe
Special Pipe
API Pipe, EMT Pipe, Thick Wall Pipe
Certificate
API, CE, Bsi, SABS, GS
Processing Service
Welding, Punching, Cutting