露天凿岩钻车,采矿钻车用钎具

   适用于露天、地下采矿、建筑、采石大型工程项目，凿岩爆破等施工场地。为中国采矿业，建筑业，

隧道工程业写下光辉业绩。

   Button Bits.Down-The Hole Bits,etc.

Suitable for the constructing site for open & undergroud mining,architecture,stone

excavating,large engineering project & rockdrilling explosion etc,and writing down an

outstanding accomplishment for the industry of mining,architecture,and tunnel engineering in china.