Gold Index: 5155
Tianjin Sino-Sky Steel Trading Co., LTD. [China (Mainland)]
Business Type:Manufacturer, Trading Company, Agent, Distributor/Wholesaler City: Tianjin Province/State: Tianjin Country/Region: China (Mainland)
10#,20#,30#,45#
Production of thick-walled seamless steel pipe manufacturing process can be divided into cold drawn, cold rolled and hot rolled in three basic ways, m
2012-05-28