On May 25th, Yang Chuanwei, Secretary General of Calcium Carbide Industry Association of China and its Vice Secretary General Jiang Shunping in a delegation of six paid a visit toCCAIA's Beijing Office for exchanges. Zhang Peichao, Vice President and Secretary General of CCAIA, and Zheng Jiebin, Vice Secretary General, participated in the exchange. The two sides exchanged the current economic operation and development status of the chlor-alkali industry and the calcium carbide industry as well as their priorities. They conducted sufficient exchanges and discussions on how to strengthen communication and cooperation between upstream and downstream industries and how to better serve their interestsin the service industry.