Yanfuye Materials' application for listing on the Science and Technology Innovation Board has been "inquired about". The proportion of overseas sales revenue is relatively high.

According to the ZhuTong Finance APP, on July 21, Yoyan Metal Composite Materials (Beijing) Co., Ltd. (referred to as Yoyan Compound Materials) applied for a change in the review status of the Science and Technology Innovation Board of the Shanghai Stock Exchange to "inquiry", and Citic Securities is the sponsor institution with a planned fundraising of 900 million yuan.