- Shenzhen Tianhehuijin Tech Ltd
- Temperature Humidity Meter, Electronic Module, Digital Voltmeter
Guangdong
- Qingdao Jiudingli Steel Structure Engineering Co., Ltd.
- Steel Tower, Steel Structure, Solar Bracket
Shandong
- CFOFC Communications (Shenzhen) Co., Ltd.
- Fiber Optical Cables, Fpv Drone Friber Optical, Fpv Drone Fiber Spools, Optical Fibre Reels
Guangdong
- Hebei Junhao Communication Technology Service Co., Ltd.
- Signal Towers, Communication Tower, Observation Tower, Transmission Tower, Steel Tower
Hebei
- Shenzhen Firstone Technology Co.,Ltd
- Ftdi Cable, USB RS485 Cable, USB RS422 Cable, USB RS232 Cable, USB Ttl Serial Cable, Tc2030 Cable, Passive Poe Splitter, Poe Injector, Poe Extender, Kvm Matrix
Guangdong