... JIS,ASTM,SAE,DIN or special requirements from Customers.1) Chain wheel, gear wheel, sheave, idler wheel, platen, winding ... , axial seat, big shaft, block, module etc.(6) Fire grate car, carrier wheel, driving chain, chain wheel etc. for mine metallurgical ... engineering .(7) Support of bridge applies to bridgework .The product sells to: Domestic, Japan, ...