... than 10,000 tons of steel-castingMain Product: We can manufacture carbon steel, alloy steel, high alloy steel, stainless steel, cast steel as per the Standard GB ... ,JB,CB,ZB,JIS,ASTM,SAE,DIN or special requirements from Customers.1) Chain wheel ... declared NK,DNV,BV,ABS,CCS,Germany classification society attestation. Steel Wheel