... ,JIS,ASTM,SAE,DIN or special requirements from Customers.1) Chain wheel, gear wheel, sheave, idler wheel, platen, winding drum, helm ... etc. for deck machining use apply to vessel use.(2) Parts for steam turbine.(3) Straight Bollard, bend Bollard,bell mouth ... , block, module etc.(6) Fire grate car, carrier wheel, driving chain, chain wheel etc. for mine metallurgical engineering .(7) Support of bridge ...