· The Nov. price of the steel pipes [2017-04-10 HITS：9]
The Nov. price of the steel pipes [READ]

· Screen pipe [2017-04-05 HITS：10]
Screen pipe [READ]

· The Nov. price of the steel pipes [2017-03-22 HITS：8]
The Nov. price of the steel pipes [READ]

· API-5CT Seamless Tubing Oil Casing [2017-01-24 HITS：11]
API-5CT Seamless Tubing Oil Casing [READ]

· Oil Well Casing Sizes [2017-01-23 HITS：10]
Oil Well Casing Sizes [READ]

· Large Size Quartz Glass Tube (GE 214) [2017-01-17 HITS：6]
Large Size Quartz Glass Tube (GE 214) [READ]