Guangzhou Topten Electronics Technology Co.,Ltd. , a joint-stock and high-tech enterprise, is one of the best professional manufacturers and exporters which specializes in GSM advanced car alarm system,and other automotive electronics. 　　Our key product --- GSM car alarm system, is an advanced and brand new car security product, it has been granted with patent by China National Patent Bureau, and 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 domestic & overseas.  　　With the full efforts of our employees, our products with ?Topten? trademark have been prevailing in China market which results from it's strong features, good quality, innovative technique, competitive price, easy for use and good post-sales service. 　　We have much experience in security field, espeically 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 adopt 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. 　　Our ISO9001 certified factory is equipped with advanced production and test equipments. Our products have been granted with CE and FCC certificates. We are doing OEM &ODM projects with some world famous customers. You are sure to be satisfied with our professional OEM & ODM service. At the same time we always provide our customers with most competitive price and prompt delivery.   We are ready to establish a friendly and mutual-beneficial partnership with any customer from all over the world.