... iron, cast steel, pig iron, grey iron, ductile cast iron and so on2.material standard:GB,DIN,EN,NF,ISO,JIS ... , Shot Blasting, Reshaping, Machining2) Has established efficient quality system and obtained international approvals ISO9001, TUV-PED, BV3) Produced by experienced technical staff4 ... orders accepted5) Perfect test facilities6) Advanced Machining Equipment bucket teeth and adapter