Straight Column fixing equipments marine productions Straight ColumnEfficiency: Annual ... ,DIN or special requirements from Customers.1) Chain wheel, gear wheel, sheave, idler wheel, platen, winding drum, helm ... body, valve body etc. for petrochemical industry working.(5) Gear, Bull Gear, axial seat, big shaft, block, module etc.(6) ... ,ABS,CCS,Germany classification society attestation. Straight Column