Street Address: Yanshan
City: Cangzhou
Province: Hebei
Country/Region: China
cap ASME/SNSI B16.9 GB12459(seamless),GB/T13401(welded) SH3408(seamless),SH3409(welded) Type:Oval,Butterfly(with Straight End) Manufacture Process:cold pressing,hot pressing,cold-machining,heat machining,welding,heat treatment. DN from 15 to 1200