... steel sand cast making UT MT PT Machining Gear wheelEfficiency: Annual output of more than 10, ... ,JIS,ASTM,SAE,DIN or special requirements from Customers.1) Chain wheel, gear wheel, sheave, idler wheel, platen, winding drum, ... Gear, Bull Gear, axial seat, big shaft, block, module etc.(6) Fire grate car, carrier wheel, driving chain, chain wheel ... CCS,Germany classification society attestation. Gear wheel