China Cangzhou Spiral Steel Pipes Group Co.,ltd (qq 741952741 )in 1994. We can produce SSAW spiral pipes with standards of API 5L PSL1 PSL2, ASTM A252,ASTM A139,ASTM A134,ASTM A672,AWWA C200,SY/T5040-2000, SY/T5037-2000, GB/T9711.1-1997, Outside Diameter: 219 mm to 3250mm,  Pipe Thickness: 5mm to 26mm (0.236-0.708inch),Steel Grade:ASTM A252 Gr1,Gr2,Gr3, SS400, St37,St52,Q235B,Q345B, API GrA, GrB, X42, X46, X52, X56, X60, X65, X70.

We have eleven spiral pipe production lines, Our annual output is 350,000tons. We can also produce  many kind of coating of the pipe, such as : varnish coating, epoxy coating, FBE, 2PE(double-layer polyethylene), 3PE(three polyethylene),cement mortar lining. Standard:DIN30670, DIN30671. Hot Galvanized SSAW pipe.