Is Yuyao Yu Shun listed?

Yuyao listed in Yu Shun. According to the relevant data of Yuyao Yu Shun, Yu Shun Group Co., Ltd. was established in 1984, mainly engaged in the research, development, manufacture and sales of optical related products, and based on the combination of three core technologies of optics, machinery and electronics, vigorously developed the three major undertakings of optics, instruments and optoelectronics. In 2007, Yu Shun Optical Technology (Group) Co., Ltd. was listed on the main board of HKEx and became a listed company.