Shenzhen Lingshian Technology Co., Ltd. specializes in the productions of vehicle-mounted video recorder, intelligent tachograph and related products. The company focuses on audio and video codec ,storage,transmission technology's development . It offers technologies ,manufacturing ,sale system solutions and services and has a manufacturing center in Shenzhen.The company has a technical team with rich experience, and has formed a strong software and hardware product system. The company fully owns the independent intellectual property rights of the products .The products developed by the multi-platform series of high-definition vehicle video surveillance equipment take the leading position in the industry and get a high market share and excellent reputation. The products have been successfully applied in many major domestic events such as Shanghai World Expo, and have been widely used in many countries around the world.