Days before listing: The company's stock will be listed on the ChiNext board on December 23rd.

According to the announcement made by Tiansu Measurement on December 21st, the company's stock will be listed on the ChiNext board of the Shenzhen Stock Exchange on December 23rd, 2025. The total capital stock after the initial public offering will be 65.2174 million shares, with 16.3043 million shares issued, accounting for 25% of the total capital stock after this offering.