Zheng Weibin. This project conference, called "Le Zhan", was jointly held with Jiahe Yipin and Gree Electric, but the reporter checked the public information of the company and found that Zheng Weibin of Beijing Le Zhan Technology Co., Ltd. was the spouse of Liu Jingjing, the chairman of Jiahe Yipin. It is understood that Gree Electric did not contribute or participate in this project.