Zhitong Finance App News, Chongda Technology (002815.SZ) issued an announcement. The company's closing price increase deviation value exceeded 20% for three consecutive trading days on September 7, 2026, and September 9, 2026. According to the “Shenzhen Stock Exchange Trading Rules” and other relevant regulations, this is a situation where stock trading fluctuates abnormally. It has been verified that in 2025 and the first half of 2026, the company's AI server-related PCB product revenue did not account for more than 10% of the company's current performance; the company mainly uses PTFE-base PCBs in the communications field and does not involve high-speed server business; the company has no business relationships with Huawei MateXT2 and Kirin 9050Pro chips; the subsidiary Proway's current SIP/mSAP packaging substrates do not involve hybrid bonding, TSV, 2.5D/3D packaging processes.

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