1.Steel castings 2.material carbon steel 3.machining 4. MT and UT check 5. Class NK,DNV,ABS,BV,GL Efficiency: Annual output of more than 10,000 tons of steel-castingMain Product: We can manufacture carbon steel, alloy steel, high alloy steel, stainless steel, cast steel as per the Standard GB,JB,CB,ZB,JIS,ASTM,SAE,DIN or special requirements from Customers.1) Chain wheel, gear wheel, sheave, ...