Established in 2002, Shenzhen Longsin Intelligence Technology Co., Ltd. is a high-tech enterprise specializing in the whole process of research, development, manufacture and marketing of two main categories of products. Our product categories include Security System Products (Infrared/Gas/Smoke Detectors, Battery/Electronic/Mic/Piezo Sirens, Magnetic Switches, Emergency Buttons, Fire Alarms, CCTV Cameras and Alarm Lamps), and Auto Security Products (Sirens and Alarm Lamps). In addition, we also provide ODM/OEM services 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&＃039; requirements. To ensure a steady and sustainable growth, Longsin constantly uses advanced international management from overseas countries and trains Longsin staff well. Longsin attained ISO9002 certificate of TUV Germany in 2003. We also successfully obtained ISO9001:2000 and QS9000 certificates of BSI (British) in October, 2005. Meanwhile, Longsin intelligent technology has been granted safety approvals for electrical appliance by testing laboratories, including CCC and CE, all of which have brought us more opportunities and competitive advantages in both domestic and abroad markets. Our company offers competitive products with excellent services at cheap prices and aims to take building harmonious society and safe city as our own duty. We adhere to three principles of "sincerity, win-win, and development". We welcome all of our domestic and international friends to visit our company for negotiation and cooperation. We are looking forward to seeing you in the near future. Let&＃039;s develop together.