油套管Tubing and casing
管线管Line pipe
车桥管Seakless pipe for trailer axles
高压锅炉管 HPboiler pipe
网架结构用无缝钢管Grid strucyure pipe
液压支架管Hydraulic pillar pipe
船用管Marine pipe
钻杆 Drill pipe
方矩管 Rectanguiar Pipe
成品管 Finished product pipe
车轴 Axles
射孔枪管 Perforating barrel
流体输送管 Fluid line
车桥 Axle bridge
钻杆 Drill pipe