On July 18, the Third World Conference on Economic, Trade and Cultural Exchange and Cooperation of Guangxi Merchants and Chambers of Commerce opened in Nanning, Guangxi. At this conference, the People's Government of Youjiang District and Zhejiang Yunfeng New Material Science and Technology Co., Ltd. The main products are 210 mm × 210 mm "N-type" large-size ultra-thin silicon wafers. After the completion of the project, it is estimated that the annual output value will be 5 billion yuan and the profit will be 600 million yuan.
