... ,JIS,ASTM,SAE,DIN or special requirements from Customers.1) Chain wheel, gear wheel, sheave, idler wheel, platen, winding drum ... chock etc, for mooring, port working equipment .(4) Pump body, valve body etc. for petrochemical industry working.(5) Gear, Bull Gear, ... , module etc.(6) Fire grate car, carrier wheel, driving chain, chain wheel etc. for mine metallurgical engineering .(7) Support of bridge ...