1.Appearance patent
- Nut caps for replaceable anchor bolts ZL202230624457.5
- Anchor bolt plug ZL202030759734.4
2.2、Invention Patent
- A replacement fixture and method for anchor bolt nut cap, anchor bolt cage, and anchor bolt fracture ZL202211152620.8
3.Utility model patent
- A type of packaging steel strip operation fixture ZL202022929982.6