· The tubing is a pipe that transfers crude oil pipe [2017-07-18 HITS：4]
The tubing is a pipe that transfers crude oil pipe [READ]
The tubing is a pipe that transfers crude oil pipe [READ]
· The performance of welded steel pipe [2017-07-17 HITS：2]
The performance of welded steel pipe [READ]
The performance of welded steel pipe [READ]
· The Features of Seamless steel pipe [2017-07-14 HITS：3]
The Features of Seamless steel pipe [READ]
The Features of Seamless steel pipe [READ]
· Our company product all kinds of steel pipe [2017-07-13 HITS：1]
Our company product all kinds of steel pipe [READ]
Our company product all kinds of steel pipe [READ]
· Principle requirements of Manufacture API J55 Oil Casing Pipe [2017-07-12 HITS：6]
Principle requirements of Manufacture API J55 Oil Casing Pipe [READ]
Principle requirements of Manufacture API J55 Oil Casing Pipe [READ]