The 311mm tricone bit is a new design, through excellent processing technology and high-quality raw materials, the performance of 311mm tricone bit up to a higher standard. We are perfect for every detail of the 311mm tricone bit, guarantee the quality level, so as to bring you the perfect product experience. Hejian Hengji Bit Manufacture Co., Ltd. is a professional China 311mm tricone bit manufacturer and supplier, if you are looking for the best 311mm tricone bit with low price, consult us now!
Hejian Hengji Bit Manufacture Co.,LTD is specialized in researching and production of rock drilling bits , mainly includes tricone bits, PDC bits, HDD hole opener, foundation single roller cutters, drag bits and related tools with advanced CNC machines and R&D team.
