... .1) Chain wheel, gear wheel, sheave, idler wheel, platen, winding drum, helm seat etc. for deck machining use apply to vessel ... ) Parts for steam turbine.(3) Straight Bollard, bend Bollard,bell mouth,chock etc, for mooring, port working equipment .(4) Pump body ... NK,DNV,BV,ABS,CCS,Germany classification society attestation. anchor mouth