Sell supply china submerged arc spiral welded steel pipes @China (Mainland)

Submerged Arc Spiral Welded Steel Pipes We have 5 spiral submerged arc welded steel pipe production lines, which use leading facilities such as Lincoln automatic submerged-arc solder,on-line digital ultransonic flaw detector,hydraulic compression testing machine,x-radiation real time imagery,computer control universal testing machine and Charpy impact tester,to guarantee the product quality.Because of the strict quality control system,all of our product have passed the test of

Post by Max Liu    Agriculture    @2012-05-30 14:08:55