... 1.Materials: carbon steel, alloy steel, cast iron, cast steel, pig iron, grey iron, ductile cast iron and so on2.material standard:GB,DIN,EN ... , Shot Blasting, Reshaping, Machining2) Has established efficient quality system and obtained international approvals ISO9001, TUV-PED, BV3) Produced by experienced ... accepted5) Perfect test facilities6) Advanced Machining Equipment bucket teeth and adapter