... equipments marine productions Straight ColumnEfficiency: Annual output of more than ... Standard GB,JB,CB,ZB,JIS,ASTM,SAE,DIN or special requirements from Customers.1) Chain wheel, gear ... vessel use.(2) Parts for steam turbine.(3) Straight Bollard, bend Bollard,bell mouth,chock etc, for mooring, ... contents test for 20 elements, and inspect casting with UT/MT/PT and mechanical properties inspection. Mass ...