Bionic Inlay Diamond Drill Bit: Matrix Welding & Fixing Device
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
Spraying Device for Drilling Tool Component Processing
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
Core Drill Bit Grinding Device & Method Announced
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
High-Efficiency Inspection Device for Drill Bit Production
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
Material Melting Device for Drill Bit Production
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
Quality Inspection Device for Drill Bit Production
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
[Design Patent] Drill Bit (75 Straight)
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
[Design Patent] Drill Bit (92 Spiral)
Li Xiaohuan Li Zhongyong Patents and innovation
Diamond Composite Core-Drilling Bit for Easy Advancement
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao
Launch: Innovative Drill Bit Switching Device
Li Xiaohuan Li Zhongyong Patents and innovation Zou Chao