Supply spiral steel pipe,API 5L B-X80 PSL1/PSL2 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 Security & Protection @2013-03-04 09:51:22