Carbon spiral welding steel pipes astm a 252 spiral welded steel pipe piles api integral spiral heavy weight drill pipe

Established in 2005, attached to Ruijie Industry Group,Tianjin Huaruitai International Trading Cpompany is specialized kinds of steel pipes and steel coils,We supply SSAW steel pipe, LSAW steel pipe, ERW steel pipe, Galvanized steel pipe, Anti corrosion pipe. Insisting on first-calss quality, we purchased different scientific test equipment: spectrometer, metallographic, universal testing manchine and so on.