1 mtr OD spiral steel pipes, api 5l x60 oil steel pipeline, gas pipeline ssaw spiral welded steel tube

Established in 2005,attached to Ruijie Industry Group,Tianjin Ruijie Steel Pipe Cpompany is specialized in the production of spiral steel pipe.There are about 250 workers in factory,covers an area of 48800 square meters with annual steel production capacity about 300,000MT. Insisting on first-calss quality,we purchased different scientific test equipment:spectrometer,metallographic,universal testing manchine and so on.