Guangzhou Topten Electronics Factory is a leading and professional enterprise which specializes in GSM car alarm system, GPS tracking system and other security products in China. Topten Electronics Technology Limited is the subsidiary company of Guangzhou Topten Electronics Factory. Our company is one of the professional manufacturers and exporters of GPS tracking devices (AVL systems), GSM car alarm systems and other automotive electronics. Our key product - GPS/GSM car alarm & tracking system, is an advanced and brand new car security product which has been granted with patent by China National Patent Bureau. It has strictly passed the test held by research center of security products of China Public Security Bureau. It is warmly welcomed by our customers from at home and abroad. With the full efforts of our employees, our products with "TOPTEN" trademark have been prevailing in Chinese market for strong features, good quality, innovative technique, competitive prices, easy use and good post-sales service.We have much experience in security field, especially in car security problem, which makes us experts in providing reliable and cost-effective solutions for protecting automobile. We have strong force in continuous research and development, which enables us to be the leading manufacturer in GSM car alarm and security system. We apply an advanced management system to ensure a qualified working team and the promptness to act to the market. In Topten, every employee enjoys a unique corporation culture and keeps a constant spirit to move forward.Strict quality control is executed in each link of the whole production process. Every step from materials to semi-finished items to completed products is operated according to the requirements of ISO9001.Our ISO9001 certified factory is equipped with advanced production and test equipment. Our products have attained CE and FCC certifications. Guangzhou Topten Electronics Factory is a doing OEM &ODM projects with some world famous customers.