产品广泛用于石油、冶金、化工、船舶、煤炭、电力、制冷、建筑以及汽车制造等行业中。

　Our products are widely used in such industries as petroleum,Metallurgy,chemical industry,shipping,coal,power plant,Refigeration,buiding,piping and automobile industry,etc.

天津大无缝钢管厂q345b无缝钢管 q345d无缝钢管 16mn无缝钢管