Shenzhen Huaxinzhi Technology Co., Ltd. is located in Yuehai Street, Nanshan District, Shenzhen, the "Silicon Valley of China". It has more than 20 years of R & D and innovation experience in the fields of communication and smart wearable products, integrating R & D, production, sales and service. Our main products are: smart health rings, smart watches and other high - tech products, and we have an exclusive APP that matches all products, facilitating users to monitor their physical health conditions. Our products have been certified by many professional institutions such as FDA, CE, FCC, RoHS, SRRC, etc., and have met dozens of international - standard tests. Every year, 20 - 30 new types of technological products can be developed and produced, leading the global market. Every member of Huaxinzhi has very professional product knowledge and attitude.