... , high alloy steel, stainless steel, cast steel as per the Standard GB,JB,CB,ZB,JIS,ASTM,SAE,DIN or special ... petrochemical industry working.(5) Gear, Bull Gear, axial seat, big shaft, block, module etc.(6) Fire grate car, carrier wheel, driving ... declared NK,DNV,BV,ABS,CCS,Germany classification society attestation. Shaft