· Seamless Honed Steel Tube is the specification for line pipe [2016-12-20 HITS：19]
Seamless Honed Steel Tube is the specification for line pipe [READ]

· API Oil Line Pipe [2016-12-14 HITS：2]
API Oil Line Pipe [READ]

· Shaped steel pipe is a variety of non-circular cross-section of the steel pipe [2016-11-28 HITS：14]
Shaped steel pipe [READ]

· API-5CT Seamless Tubing Oil Casing [2016-11-25 HITS：16]
API-5CT Seamless Tubing Oil Casing [READ]

· API-5CT Seamless Tubing Oil Casing [2016-11-18 HITS：3]
API-5CT Seamless Tubing Oil Casing [READ]

· Seamless Honed Steel Tube [2016-11-16 HITS：6]
Seamless Honed Steel Tube [READ]