- Shenzhen Secrui Electronic Co. Ltd
- Main products: Door/window sensors,Flame detectors,GSM alarm systems,Gas leak detectors,PIR detectors,Sirens, horns & bell boxes,Wireless intruder alarms
- Beijing [Verified]
- Ningbo Deli Electronics Co. Ltd
- Main products: Car strobe lights,Door/window sensors,Electromagnetic buzzers,Fire alarms,Piezoelectric ceramics,Piezoelectric/ceramic buzzers,SMT machines,Sirens, horns & bell boxes,Smart gas detectors
- Beijing [Verified]
- Shenzhen Heiman Technology Co. Limited
- Main products: Access control systems
- Beijing [Verified]
- Shenzhen Asenware Test&Control Technology Co.,Ltd
- Main products: Emergency exit signs
- Beijing [Verified]