Hot-finished steel pipe * The product materials include 10# , 20# , 35# , 45# , X42, X60, X80, Q235, Q295 and Q345 , the material can also Be selected according to the requirements of clients. * ....
Yanshan Qianyi pipe Industry CO., LTD. is an enterprise which engages in international trade in steel products.We are invested by CANGZHOU QIANCHENG STEEL-PIPE CO., LTD with powerful economy . ....
Yanshan Qianyi Pipe Industry Co., Ltd supply all the kinds steel pipes and pipe fittings. The standard: ASTM , JIS, DIN , GB/ T And the API products run in accordance with API 5L . * Pipe: ....