... , high alloy steel, stainless steel, cast steel as per the Standard GB,JB,CB,ZB,JIS,ASTM,SAE,DIN or special ... vessel use.(2) Parts for steam turbine.(3) Straight Bollard, bend Bollard,bell mouth,chock etc, for mooring, port working equipment ... NK,DNV,BV,ABS,CCS,GL,Germany classification society attestation. Bar