List of Global Carbon Seamless Companies

Hebei Boto Pipeline Manufacture & Trade Co., Ltd.: eamless steel pipes,stainless exhaust pipe,steel pipe ....; Address:No523YiHeinternational,YunHe district, Cangzhou, HeiBei, China,061000
Qingdao Mingren Machinery Co.,Ltd.: flange, carbon steel stainless forged valve, gate vale, ball elbow, ....; Address:Xianggang Road Qingdao, Shandong