Established in 2002, Shenzhen Longsin Intelligence 
Technology CO., LTD is a high-tech nterprise specializing in 
the whole process of Research, Development, Manufacture and 
Marketing on the following 2 main categories: Security System 
Products (Infrared / Gas / Smoke Detector, Battery / 
Electronic/ Mic / Piezo Sirens, Magnetic Switche, Emergency 
Button, Fire Alarm, CCTV Camera and Alarm Lamp); Auto Security 
Products ( Siren, alarm Lamp).In addition, we also provide 
ODM/OEM service to meet your special requirements With steady 
annual growth and rational expansion, we are strongly dedicated to manufacturing products 
of excellent quality to meet and surpass customers' requirements.
    To ensure a steady and sustainable growth, Longsin constantly brings in advanced 
international management experience from overseas and trained Longsin staff well. Longsin 
has been one of the  companies with ISO9002 certificate of TUV Germany) in 2003. We also 
have successfully past the ISO9001:2000 and QS9000 certificate of BSI (British) in October, 
2005. Meanwhile, Longsin Intelligence Technology has been granted safety approvals for 
electrical appliance worldwide by testing laboratories, including CCC, CE, which have 
brought us more opportunities and competitive advantages in both domestic and abroad markets.
    Our company will offer cheap, competitive product and satisfied service and aims to make 
establishing harmonious society, safe city as one's own duty, inheriting three principles: 
sincerity, win-win, develop. 
    Welcome all of the domestic and international friends to visit our company for 
negotiation and cooperation. We are looking forward to seeing you in near future! 
    Let’s develop together!