Five classes of pipes like 0.6Mpa, 0.8Mpa,1 .0Mpa, 1.25Mpa, 1.6Mparanging from Diameter20 to 630mm,fit out with ocer 250 kingds of injection fittings ranging from Diameter 20 to 250mm,and other handmade and steel moulding fittings from Diameter 63 to 630mm.