[ChangXin Technology: Strategic Placement Payment and Allocation Work Completed, Offline Class A Investors' Effective Subscription Ratio Exceeds 87%] DeepTech TechFlow reports that on July 20, ChangXin Technology released the preliminary offline placement results and online lottery results for its initial public offering and listing on the STAR Market. The announcement stated that the payment and allocation work for this strategic placement has been completed. All investors participating in the strategic placement adhered to their commitments to participate in this issuance. The initial strategic placement quantity for this issuance was 33,440.44304 million shares, accounting for 50.00% of the initial issuance quantity and approximately 43.48% of the total shares issued after full exercise of the over-allotment option. The subscription funds committed by strategic placement investors were fully transferred to the designated bank account of China International Capital Corporation (CICC) within the stipulated timeframe. After the strategic placement callback and before the initiation of the online and offline callback mechanism, with the over-allotment option activated, the initial online issuance quantity was 33,490.01000 million shares, accounting for approximately 55.59% of the issuance quantity after deducting the final strategic placement shares following the exercise of the over-allotment option. A total of 285 offline investors managing 10,907 valid quoted placement accounts completed offline subscriptions in accordance with the requirements of the "Issuance Announcement." The total offline effective subscription quantity was 12,382,221.0 million shares, of which Class A investors effectively subscribed for 10,783,753.0 million shares, accounting for 87.09% of the offline effective subscription quantity. Class B investors effectively subscribed for 1,598,468.0 million shares, accounting for 12.91% of the offline effective subscription quantity.