On July 29, 2022, Liu Chengkun, Executive Vice President of Shandong Mergers and Acquisitions Federation, and Lin Zi, General Manager of Shandong Puhui Financial Holding Co., Ltd., and a delegation visited the company for inspection. Accompanied by Wei Jingfen, Chairman of Zhong'an United Investment Group Co., Ltd., and Zhang Yuecheng, Chairman of Shandong Zhihui Vermilion New Materials Technology Co., Ltd., they visited the factory one by one and had a discussion.

At the symposium, Executive Vice President Liu Chengkun and others visited the production and manufacturing workshop, observed the product processing process on site, and gained a detailed understanding of the company's development prospects, product market, and resource advantages of vermicular graphite cast iron new materials. The two sides had in-depth exchanges on the company's current operating status, future development plans, product upgrade iterations, and other capital operations, and provided the company with production and manufacturing capabilities, technological research and development levels A series of rationalization suggestions have been put forward in terms of corporate brand building, and both parties have reached a consensus on future cooperation, laying a solid foundation for precise service and win-win cooperation.