material alloy steel sand cast making UT MT PT Machining Gear wheelEfficiency: Annual output of more than 10,000 tons of ... ,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