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