The 637 bit is a new design, through excellent processing technology and high-quality raw materials, the performance of 637 bit up to a higher standard. We are perfect for every detail of the 637 bit, guarantee the quality level, so as to bring you the perfect product experience. Hejian Hengji Bit Manufacture Co., Ltd. is a professional China 637 bit manufacturer and supplier, if you are looking for the best 637 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.
