December 21-23, 2021 Annual Meeting on the theme of "New Cycle and Big Time" was held at JW Marriott Hotel, Qianhai Overseas Chinese Town, Shenzhen. Leaders from battery, material, equipment, vehicle and other industrial chains gathered in Shenzhen to discuss the industry trend and trend after entering the new cycle. On the morning of 22nd, on the exciting forum of "Intelligent Manufacturing Specialty", Zheng Yaozu, Director of Marketing of Xinyuren, delivered a keynote speech on "SDC Technology Principle and Prospect Trend". The unique and innovative SDC coating technology attracts much attention from colleagues in the industry and becomes a major technical focus of this forum.