On the morning of April 29, 2019, Ms. Ren Weimin and Mr. LV Peixian, Secretary General of Zhejiang Hangzhen Energy Technology Co., Ltd. visited China General Machinery Industry Association. Mr. Zhang Yubao, vice president and Secretary General of China Communications Association, and Mr. Liu Yali, Secretary General of vacuum equipment branch, and Mr. Ren Weimin, chairman of the board of directors, exchanged views on enterprise transformation and upgrading, development of new products and cross-border new projects, and formulation of group standards Flow negotiation.