


Group 1 - The company, Guangdong Provincial Institute of Building Science Group Co., Ltd., has received approval for its initial public offering (IPO) and listing on the ChiNext board [1][2] - The total number of shares to be publicly issued is 10,466,000, representing approximately 25% of the company's total shares post-issuance [2] - The initial strategic placement will consist of 31,398,000 shares, accounting for 30% of the total issuance, with the underwriter's related subsidiaries participating with 5% of the issuance [2] Group 2 - The offering will be conducted through a combination of strategic placement, offline inquiry-based placement, and online pricing issuance for public investors [1][2] - The final distribution of shares between offline and online offerings will be determined based on the allocation mechanism, with the results published on August 5, 2025 [2] - The company and its underwriter will hold an online roadshow to provide investors with information regarding the company and the IPO process [3]