Desc: Seamless steel pipe is made of the whole round steel, and the steel pipe without weld on the surface is called seamless steel pipe. Seamless steel p...
Desc: Seamless steel pipe is made of the whole round steel, and the steel pipe without weld on the surface is called seamless steel pipe. Seamless steel p...
Desc:Product Description.Zhengde API pipeline steel pipe is a pipeline pipe belonging to the American Petroleum Standard. The pipeline pipe is used to tran...
Desc:Product Description.Zhengde API pipeline steel pipe is a pipeline pipe belonging to the American Petroleum Standard. The pipeline pipe is used to tran...