급료
P11,P91,1020,CK45,X65,ETC
Secondary Or Not
Non-secondary
Length
5.8m,6m,11.8m,12m, or as required.
Surface
Oil-coating,varnish,Galvanized,etc,
Shape of steel pipe tube
Round Oval Square Rectangular
Commodity
Oil Pipeline Equipment
Process
ERW SMLS SSAW LSAW