HBM板块产业链迎来集体爆发，拓荆科技、宏昌电子、精智达、联瑞新材、芯碁微装领涨，板块产业链相关企业整理

Core Viewpoint - The A-share HBM (High Bandwidth Memory) industry chain is experiencing a collective surge due to the explosive demand for AI computing power and accelerated iteration of HBM technology, with increased capital attention across various segments from upstream materials and equipment to packaging and testing. Company Summaries - 拓荆科技 (Tuojing Technology): Latest stock price is 360.00 CNY with a daily increase of +9.98%. The company plans to reduce holdings and is a major supplier of ALD equipment, essential for HBM manufacturing processes [1]. - 宏昌电子 (Hongchang Electronics): Latest stock price is 11.54 CNY with a daily increase of +8.97%. It is a leading domestic supplier of electronic-grade epoxy resin, a key material for HBM packaging [2]. - 精智达 (Jingzhida): Latest stock price is 313.00 CNY with a daily increase of +7.28%. The company develops testing technologies and equipment for new generation semiconductor memory, including HBM [3]. - 联瑞新材 (Lianrui New Materials): Latest stock price is 68.50 CNY with a daily increase of +6.83%. It supplies core materials for HBM packaging, including ball silicon and Low α ball aluminum [4]. - 芯碁微装 (Xinqi Microelectronics): Latest stock price is 186.37 CNY with a daily increase of +5.82%. The company plans to reduce holdings and provides advanced packaging equipment that supports HBM applications [5]. - 兴森科技 (Xingsen Technology): Latest stock price is 26.30 CNY with a daily increase of +5.41%. The company produces FCBGA packaging substrates, crucial for HBM storage packaging [6][7]. - 飞凯材料 (Feikai Materials): Latest stock price is 31.98 CNY with a daily increase of +5.02%. It produces EMC epoxy resin, a core material for HBM storage chip manufacturing [8]. - 芯源微 (Xinyuan Micro): Latest stock price is 212.20 CNY with a daily increase of +4.88%. The company has gained recognition in HBM and 2.5D/3D packaging fields, with increasing sales of multiple products [9]. - 圣泉集团 (Shengquan Group): Latest stock price is 34.21 CNY with a daily increase of +4.65%. The company provides various materials, including special phenolic resin and epoxy resin, for the HBM industry [10]. - 壹石通 (Yishitong): Latest stock price is 31.40 CNY with a daily increase of +4.32%. The company supplies chip packaging materials for HBM and is an important part of the HBM packaging supply chain [11]. - 华海诚科 (Huahai Chengke): Latest stock price is 132.54 CNY with a daily increase of +4.21%. The company plans to reduce holdings and has materials for HBM packaging that have passed customer certification [12]. - 赛腾股份 (Saiteng Co., Ltd.): Latest stock price is 50.53 CNY with a daily increase of +4.21%. The company has entered the wafer inspection and measurement equipment field and is expanding applications in HBM [13][14]. - ST华鹏 (ST Huapeng): Latest stock price is 7.00 CNY with a daily increase of +3.86%. It is an upstream supplier of epoxy resin for HBM construction materials [15]. - 强力新材 (Qiangli New Materials): Latest stock price is 16.21 CNY with a daily increase of +3.71%. The company is in the customer certification phase for advanced packaging materials and aims to enter the HBM advanced packaging market [16]. - 国芯科技 (Guoxin Technology): Latest stock price is 41.38 CNY with a daily increase of +3.71%. The company is involved in HBM interface technology development and validation [17].