无缝钢管生产线 /Seamless steel pipe production line

俄罗斯Tagmet无缝钢管生产线

Seamless steel pipe production line for Tagmet in Russia

460钢管生产线

Φ460 pipe production line

赛瑞公司140管加工生产线

 Φ140 pipe finishing line for SERI

168管坯运输设备

天津钢管公司258管坯区

Φ168 Pipe billet conveying equipment

 Φ258 Pipe billet area for TPCO