... ,DIN or special requirements from Customers.1) Chain wheel, gear wheel, sheave, idler wheel, platen, winding drum, helm seat etc. for ... for steam turbine.(3) Straight Bollard, bend Bollard,bell mouth,chock etc, for mooring, port working equipment .(4) Pump body ... axial seat, big shaft, block, module etc.(6) Fire grate car, carrier wheel, driving chain, chain wheel etc. for mine metallurgical engineering ...