New Drill Bit for Basalt: Innovative Manufacturing Method
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
Flexible Connection Anti-Vibration Drill Bit Unveiled
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
Continuous Corrugated Tooth Diamond Drill Bit Launched
Li Xiaohuan Li Zhongyong Patents and innovation
New Diamond Drill Bit Device: Recyclable Electroplating Fluid
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