Min. Order Reference FOB Price
1 Piece US$30.00-300.00 / Piece
Product Description
Dth hammer bit blasting hole rock drill bit 90 mm DHD 3.5 DTH hard rock drilling bits Advantages: Changsha Chaojingang Machinery Manufacturing Co., Ltd. is one of the best manufacturers in China's drilling tool industry. Our company has many senior mechanical design engineers with more than ...