... DIN or special requirements from Customers.1) Chain wheel, gear wheel, sheave, idler wheel, platen, winding drum, helm seat etc. for ... axial seat, big shaft, block, module etc.(6) Fire grate car, carrier wheel, driving chain, chain wheel etc. for mine metallurgical ... different contents test for 20 elements, and inspect casting with UT MT PT and mechanical properties inspection. Mass guarantee ability: ...