YJtech based in Shenzhen city of China, is one of the leading manufacturer specialized in smart health consumer products。with more than 13 years of OEM/ODM experience in smart wearable industry 。 we insists on providing customer excellent service with high-quality products from the beginning to the end ,always putting customer first。 YJtech has established long-term cooperation with some famous Enterprise and built a good reputation with our customers over 30 countries and regions , and look forward to cooperating with you together and expecting the win-win business.