material carbon steel weight 1.3tons sand mould making Class Nk Efficiency: Annual output of ... 10,000 tons of steel-castingMain Product: We can manufacture carbon steel, alloy steel, high alloy steel, stainless steel, cast steel ... ,ZB,JIS,ASTM,SAE,DIN or special requirements from Customers.1) Chain wheel, gear wheel, sheave, idler wheel, platen, winding drum ...