... 10,000 tons of steel-castingMain Product: We can manufacture carbon steel, alloy steel, high alloy steel, stainless steel, cast steel ... ,SAE,DIN or special requirements from Customers.1) Chain wheel, gear wheel, sheave, idler wheel, platen, winding drum, helm seat etc. for deck machining ... declared NK,DNV,BV,ABS,CCS,Germany classification society attestation. Gear wheel