Nanjing Quanxin Transmission Technology Co., Ltd. (hereinafter referred to as Quanxin Co., Ltd.) is a China company, mainly engaged in the production and sales of R&D, optical fiber and optical cable. As far as I know, Quanxin shares are not listed on the main board, small and medium-sized board, growth enterprise market and science and technology innovation board at present. So Nanjing Quanxin Transmission Technology Co., Ltd. is not a listed company.
However, this does not mean that Quanxin shares will not be listed in the future. Companies can choose the right time and sector to go public according to their own development strategy. Please note that the information in the financial market may change at any time, so when making investment decisions, please consult professionals and pay attention to relevant news and announcements.