Wei Sun

Peking University provides post-secondary education services. It offers undergraduate and graduate courses. It provides courses such as basic and applied sciences, social sciences and the humanities, sciences of medicine, management, and education. The company was founded by JiaNai Sun in 1898 and is headquartered in Beijing, China.

Zhejiang Cenway New Synthetic Materials Co., Ltd. is a leading Chinese company in the production of synthetic rubber, specifically butyl rubber, with two production facilities in Zhejiang and Panjin. The company was founded in 2008 by De Quan Zhu and is based in Jiaxing, China. The company's annual production capacity is 200,000 tons, and its downstream industries include rubber products such as tires, medical rubber stoppers, shock absorbers, seals, and chewing gum. Zhejiang Cenway is one of the few companies in the industry that can produce both chlorinated butyl rubber and food-grade butyl rubber.