- Jinhua Dason Engine & Electrical Co., Ltd.
- Bollard, Parki Lot, Speed Bump, Expandable Barrier, Bike Rack, Icf Brace, Automatic Bollards, Automatic Parking Lock, Stair Tread, Road Stud
Zhejiang
- Hangzhou Kewei Intelligent Tech. Limited
- Traffic Cone
Heilongjiang
- Chengdu Ruisijie Intelligent Technology Co., Ltd.
- Bollard, Automatic Bollard, Bollard Post, Parking Lock, Flagpole, Road Blocker, Tire Killer, Speed Bump, Barrier Gate
Sichuan