On March 15, accompanied by director Guo, director Zhengyi led lawyers Wang Shu and WANGZHIZHONG to visit Shandong Sun Paper Co., Ltd. in Yanzhou. Lihongxin, chairman of the company, warmly received director Zhengyi and his party, and the two sides had a friendly conversation.

Sun paper was founded in 1982 and headquartered in Yanzhou City, Shandong Province. The company's business covers papermaking, chemical industry, foreign trade, electric power, scientific research, forest paper, hotel, investment, textile, food and other fields. It has a total asset of 23billion yuan, an annual pulp and paper production capacity of 4million tons and more than 10000 employees. After 30 years of development, sun paper has developed into a global advanced multinational Paper Group and forest pulp paper integration enterprise. It is the largest private paper enterprise in China, one of China's top 500 enterprises, and ranks among the top 100 paper enterprises in the world. In 2006, sun paper was successfully listed on Shenzhen Stock Exchange. The group owns major brands such as golden sun, Huaxia sun, Tianyang, Weill, lekao and kuyin, among which the "golden sun" trademark is a well-known trademark in China.