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Place of Origin:China (Mainland) Model Number:komatsu,hitachi,kobelco,hyundai,kato,etc
Material:25MnB/45MnB
Technology:Forging
HRC:55-59
HRC depth:8-13mm
Guarantee:1500-2000 hours
Heat treatment:Tempering and medium frequency
Using:bulldozer
B.rgds
E:leelnly A sina.com
