... , alloy steel, high alloy steel, stainless steel, cast steel as per the Standard GB,JB,CB,ZB, ... ,ASTM,SAE,DIN or special requirements from Customers.1) Chain wheel, gear wheel, sheave, idler wheel, platen, ... module etc.(6) Fire grate car, carrier wheel, driving chain, chain wheel etc. for mine metallurgical engineering .(7) Support of ... BV,ABS,CCS,Germany classification society attestation. Cast Gear