Guangzhou Kaisen Technology Co.,Ltd. established in 2013, is a leading manufacturer specializing in Smart Watch Straps and Watch Case. It support Apple, Samsung, Xiaomi, Versa, inspire, Alta and so on. And our materials range from silicone, TPU, nylon, stainless steel, canvas, leather, ect.Our factory located in Dongguan with 3000 square meters. We have Passed ISO9001-2008 quality management, and the main product come with CE and Rosh certification.With years of export experience along with excellent quality, advanced service and competitive prices, Kaisen has won numerous customer's trust and support.