Innovation, good quality and reliability are the core values of our enterprise. These principles today extra than ever form the basis of our success as an internationally active mid-size organization for 102mm Diamond Core Drill Bit, Micro Tbm, Construction, Tunnel Drilling,Hydraulic Hammer. If needed, welcome to help make speak to with us by our web page or cellular phone consultation, we are going to be delighted to serve you. The product will supply to all over the world, such as Europe, America, Australia,Cambodia, Albania,London, Mauritius.We have 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export products to other countries. We expect to cooperate with you to develop a larger market.