we are leader of robot vacuum cleaner , we started to sale robot vacuum cleaner from 2004. we known the detail of all the robto vacuum cleaner from china . low price and high quality if our business policy !we provide OEM/ODM and drop shipping service . find good supplier ,get good price ,check product ,do the best service-after sale for you . same time , ensure your money safety ! our working area include china , HONGKONG, TAIWAN, MALAYSIA and INDIA .expect to cooperate with you . thank you !