Efficient Geological Drill Bit: Expanded Strata Applicability
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
Rock Drill Bit: Boost Precision, Reduce Deviation
categories-2 categories-3 Li Xiaohuan Li Zhongyong Patents and innovation
Diamond Geological Drill Bit Designed to Reduce Blockage
Li Zhongyong Patents and innovation Zou Chao
Diamond Geological Drill Bit with Cooling & Chip Removal
Li Xiaohuan Li Zhongyong Patents and innovation
Diamond Geological Drill Bit with Anti-Slip Feature
Li Xiaohuan Li Zhongyong Patents and innovation
Diamond Drill Bit Production: Advanced Electroplating Device
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
Diamond Geological Drill Bit Tip Grinding Device
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
Diamond Drill Bit: New Efficient Manufacturing Method
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
A high-speed drilling bit
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
Diamond Drill Bit Grinding Device for Water Injection Channels
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao