... good quality 2. competitive price 3. fast shipping 4. best bucket tooth 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,NF,ISO,JIS ... , Shot Blasting, Reshaping, Machining2) Has established efficient quality system and obtained international approvals ISO9001, TUV-PED, BV3) Produced by experienced ...