... manufacture carbon steel, alloy steel, high alloy steel, stainless steel, cast steel as per the Standard GB,JB,CB,ZB,JIS ... ,bell mouth,chock etc, for mooring, port working equipment .(4) Pump body, valve body etc. for petrochemical industry working.(5) Gear ... declared NK,DNV,BV,ABS,CCS,Germany classification society attestation. Cast Gear