Global Security Technology (HK) Co., Ltd., is one of the most professional Security and Alarm manufacture. Located in Shenzhen, occupies a floor area of 3, 000 square meters with a labor force of more than 200 employees. As a fast developing enterprise, H. M security has the strong and sharp insight successively passed CCC, ISO 900, CE and FCC such mandatory certificate. Our company mainly engaged in GSM Alarm system, Auto-dial Alarm system, 3G Alarm, GPRS Alarm, CCTV Camera, Car Alarm system and Pest Repeller. Beside these main products, we are also manufac...