Yu Feng Technology Co., Ltd. as a manufacturing and trade enterprise with partner factories in mainland China's Shenzhen City. We take pride in the development and manufacture of high quality electronic products with distinctive appearances, and specialize in the sourcing and export of all kinds of electronic products.our products are dog training mat£¬ Ultrasonic Bark Control Collar ,anti-bark collar £¬remote dog training collar ,Bicycle Dog Leash .Dog Electronic Fence Now working with clients in Europe, Nor...