... carbon steel,stainless steel Train parts High quality Compeitive price 1.Type:train parts,engine train parts 2.Train parts3.Material: ... per customers'requirements9.Usage:Be widely used in boiler and pressure vessel,petroleum,chemical,shipbuilding,pharmacy,metallugy,machinery, ... etc. We are the largest manufacturer and exporter of carbon steel and stainless steel products in Dongying district.We ...