Output shaft 1.Steel castings 2.material carbon steel 3. Class ... petrochemical industry working.(5) Gear, Bull Gear, axial seat, big shaft, block, module etc.(6) Fire grate car, carrier wheel, ... 20 elements, and inspect casting with UT/MT/PT and mechanical properties inspection. Mass guarantee ability: Already get ABS ISO9001- ... ,DNV,BV,ABS,CCS,Germany classification society attestation. Output shaft