Langshixing electronic(Shenzhen)Co., Ltd, founded in 2011 and focus on professional security surveillance & Smart home, over the past year's development, we have been experienced in research and design of cutting-edge technology equipment, we are not only marketing our own brand "AVstart", but also support OEM and ODM service for many famous brand. With more than 200staff, and take up 4000, Langshixing all in one system from PCBA's processing (SMT, DIP) to assembly and testing process, as main manufacturer of security products in China, the company can produce 260000PCS monthly, with rich product line, can provide customized products and services to fully meet customer's demand, covering all civilian video products like wireless outdoor/indoor camera, NVR kit, rechargeable battery-powered camera, wireless door bell, baby monitor etc. Easy to provide convenient one-stop procurement services for customers. High quality and good reputation makes our products are exported to USA, Europe, the Middle East and Southeast Asia, and widely used in home and pubic security, All products have passed CE, RoHS, FCC, CCC certification, products are hot selling on Amazon, eBay, shopee, lazada and same time available in retail chain stores such as Walmart, bestbuy.