JiaoZhongXing

The total length of Dapanshan Tunnel of Hangzhou-Shaoxing-TaizhouExpressway is 8635m,which is called "the first tunnel in East China".In order to solve the problem of excavation eficiency in the process of tunnel construction,Xuzhou XCMG Energy Equipment Co., Ltd.(hereinafter referred to as XCMG

In view of complex assembly of hydraulic rock drills that their cause of troubles and damage are numerous. The text as based on multi home made hydraulic rock drills in operation is going to introduce mainly the rotation types, impact types, water circulating types, air circulating types