... machining use apply to vessel use.(2) Parts for steam turbine.(3) Straight Bollard, bend Bollard,bell mouth,chock etc, for ... 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