PCB（印制电路板）板块表现强势，奥士康、广合科技、大族数控、宏和科技、芯碁微装领涨，产业链企业整理

Core Viewpoint - The PCB (Printed Circuit Board) sector is experiencing strong performance, with several companies showing significant daily stock price increases, indicating a positive market sentiment towards the industry. Company Summaries - Aoshikang (奥士康): Latest stock price is 43.81 CNY, with a daily increase of +9.99%. It is a core player in the high-precision PCB field, with products widely used in data centers, servers, AIPC, communication devices, and automotive electronics [1]. - Guanghe Technology (广合科技): Latest stock price is 95.51 CNY, with a daily increase of +10.00%. It ranks as the top domestic server PCB supplier in China and serves 8 out of the top 10 global server manufacturers [2]. - Zhongtung High-tech (中钨高新): Latest stock price is 41.68 CNY, with a daily increase of +10.00%. Its subsidiary, Jinzhu Company, is a leader in the PCB micro-drilling field, possessing core technology and production capacity advantages [3]. - Dazhu CNC (大族数控): Latest stock price is 161.34 CNY, with a daily increase of +20.00%. It is one of the companies with the broadest product lines in the global PCB equipment industry, covering key processes such as drilling, exposure, forming, and testing [4]. - Honghe Technology (宏和科技): Latest stock price is 43.12 CNY, with a daily increase of +10.00%. It is a leading global manufacturer of mid-to-high-end electronic-grade fiberglass cloth and a core material supplier for copper-clad laminates, widely used in AI servers and 5G base stations [5]. - Xinqi Microelectronics (芯碁微装): Latest stock price is 194.88 CNY, with a daily increase of +16.26%. It is a domestic leader in PCB direct imaging equipment, with products used for PCB layer and solder mask exposure, expanding from mid-to-low-end markets to high-end markets like IC substrates [6]. - Kexiang Co., Ltd. (科翔股份): Latest stock price is 24.51 CNY, with a daily increase of +12.48%. The company focuses on the R&D, production, and sales of high-density printed circuit boards, with applications in automotive electronics, new energy, network communications, and consumer electronics [7]. - International Composite Materials (国际复材): Latest stock price is 8.12 CNY, with a daily increase of +9.58%. The company produces electronic-grade fiberglass, an essential material for PCBs, and has successfully developed low-bubble fine yarn and ultra-fine yarn products [8]. - Ding Tai High-tech (鼎泰高科): Latest stock price is 169.00 CNY, with a daily increase of +9.23%. It is a global leader in PCB drilling needles, specializing in drilling needles and milling cutters for PCB processing, serving major manufacturers like Shenzhen Deep South Circuit and Pengding Holdings [9]. - Ben Chuan Intelligent (本川智能): Latest stock price is 62.98 CNY, with a daily increase of +8.89%. It is a leader in high-frequency communication PCB technology and one of the first companies to achieve mass production of high-end multilayer boards for 5G base station antennas [10]. - Dongwei Technology (东威科技): Latest stock price is 41.30 CNY, with a daily increase of +8.51%. It is the largest PCB electroplating equipment manufacturer in China, serving most of the top 100 PCB companies [11]. - Tianjin Pulin (天津普林): Latest stock price is 28.17 CNY, with a daily increase of +8.47%. The company focuses on medium and small batch, high-layer, thick copper, rigid-flex boards, and HDI fields, with applications in industrial control, medical, automotive electronics, and aerospace [12]. - Xingsen Technology (兴森科技): Latest stock price is 25.45 CNY, with a daily increase of +8.30%. It is a well-known provider of PCB sample quick-turn and batch design and manufacturing services, offering products such as HDI boards, IC substrates, and semiconductor test boards [13]. - Jiangnan New Materials (江南新材): Latest stock price is 94.76 CNY, with a daily increase of +7.61%. The company manufactures key materials and copper-based products for PCBs, with core products including copper ball series and oxidized copper powder series, which are critical raw materials for PCB manufacturing [14].