Why is Oak One Technology listed and delisted?

Listing and delisting show that the market system is perfect, and there are gains and losses. Good listed companies stay and bad listed companies kick out. Hebei Xiangyi Pharmaceutical Technology Co., Ltd. is one of the core enterprises under Desheng Investment Group, with a total investment of 550 million yuan, located in Zhengding Science and Technology Industrial Park, Shijiazhuang City.