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1.Applacation:used in concrete pump truck ,concrete pump .Hydraulic ram system in construction work equipment. 2.Widely used:Schwing PM Zoomlion SANY and so on |

1.Applacation:used in concrete pump truck ,concrete pump .Hydraulic ram system in construction work equipment. 2.Widely used:Schwing PM Zoomlion SANY and so on |

