Hengyunchang's Sci-Tech Innovation Board IPO approved by the Listing Committee, with over 60% of revenue coming from a single client.

According to the Securities Times APP, on November 14th, Shenzhen Hengyunchang Vacuum Technology Co., Ltd. (referred to as "Hengyunchang") passed the listing committee meeting of the Shanghai Stock Exchange Sci-tech Innovation Board. CITIC Securities is its sponsoring institution, aiming to raise 1.55 billion yuan.