On December 14, 2018, Zhao Chunguang, Director of Purchasing Strategy Department of Longji Green Energy Technology Co., Ltd., the largest single crystal silicon manufacturer in the world, visited Fulai Carbon Fiber Co., Ltd. for an investigation and exchange. Zhang Yongfu, chairman of the company, led the company's production department, sales department, e-commerce department and other department principal leaders to warmly welcome the visitors, and introduced the company in detail to the delegation. Scientific research, production, quality and the development process of the company. The government of Dingxi Economic Development Zone attaches great importance to this visit. Director Li Choudong of the Management Committee of Dingxi Economic Development Zone accompanied this visit. Finally, the two sides expressed their willingness to have in-depth exchanges and further establish cooperative relations.