Chengdu Tengchen Digital Technology Co., Ltd. (hereinafter refers to "Tengchen Technology") was established in January 2018 by a number of communications equipment business departments, with long-term commitment to wireless explainer research and development, production, sales, software development, system integration and computer services, is a new force in China's wireless explanation equipment industry. 

        Tengchen Technology is headquartered in Chenghua district of Chengdu city, Sichuan Province. With the brand of "KeYinda", the company has a series of audio guide, which are mainly used for government and enterprise visits, teaching and training, travel guide, visit commentary purposes. Shortly after its establishment, the company obtained the national ISO9001 quality certification system, trademark certification, patent applications, product certificate as well as 3AAA quality certification. 

        As a pioneer of KeKinDa audio guide series , Tengchen Technology brings together a large number of electronics engineers, working closely with a team of experts from many universities , who have laid a solid foundation for the long-term and sustainable development of Tengchen Technology . 

        Since its establishment, Tengchen Technology has been adhering to the principle of “integrity as base and innovation for development”, striving for customer demand and leading the development of market. With the company's strong technical professional team, large production scale and intimate service, Tengchen Technology has become an outstanding national high-tech brand in China's wireless digital industry.