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· Principle requirements of Manufacture API J55 Oil Casing Pipe [2017-07-12 HITS:1]
Principle requirements of Manufacture API J55 Oil Casing Pipe [READ]
· Steel pipe manufacturing building structure grid [2017-07-11 HITS:0]
Steel pipe manufacturing building structure grid [READ]
· The recent domestic market will enter the consumer season [2017-07-10 HITS:0]
The recent domestic market will enter the consumer season [READ]
· Spiral Steel pipe with plastic pipe has excellent physical properties [2017-07-07 HITS:0]
Spiral Steel pipe with plastic pipe has excellent physical properties [READ]
· Small Diameter Alloy Steel Oil Casing Pipe industry has developed rapidly [2017-07-06 HITS:0]
production technology of Small Diameter Alloy Steel Oil Casing Pipe industry has developed rapidly [READ]
· And inferior steel tube surface are prone to scarring [2017-07-05 HITS:0]
And inferior steel tube surface are prone to scarring [READ]