... fills the domestic gapProduction ScopeThere are over 60,000 tons stock products, running specifications more than 3,000 kinds. Our production ... 25-426 mm, WT4-80mm. The materials of the products are as follows:20#,45#,16M, 27SiMn,15CrMo,30CrMo,34CrMo4 ... , Pakistan, Turkey and the other Middles east countries. ApplicationOur products are widely used in petroleum, chemical industry, Electrical Power, ...