Initial Public Offering: The number of shares issued for the first time is 16,304,300 shares, at an issue price of 36.8 yuan per share.

Announcement of the initial public offering and listing on the GEM for the first time by Tian Su Measurement. The issuance price is 36.8 yuan per share, with a total of 16.3043 million shares issued. This issuance is conducted through a combination of strategic placement, offline issuance, and online issuance. The final amount of strategic placement is 1.6304 million shares, accounting for approximately 10.00% of the total issuance. After clawback, the final amount of offline issuance is 7.5814 million shares, and the final amount of online issuance is 7.0925 million shares. The number of shares subscribed by online investors is 7.041 million shares with an amount of 259 million yuan; the number of shares subscribed by offline investors is 7.5805 million shares with an amount of 279 million yuan. The underwriter has underwritten 52,370 shares, with an underwriting amount of 1.9272 million yuan.