April 28th,2019, China national brand revitalization project Credit China organized by China Central Television (CCTV) has been hold agrand ceremony at XIJIAO STATE GUEST HOTEL. YUYIN MATERIAL TECHNOLOGY (SHANGHAI) CO through layers of screening and auditing to be identified as Chinese national credit enterprise, and signed credit certification and other brand promotion cooperation agreement with CCTV. YUYIN MATERIAL TECHNOLOGY will set an example of Chinese national brands with principle of honesty and trustworthiness、scientific and technological innovation、quality priority undering the care & support of the government of China.