Core Viewpoint - Beijing Kaide Quartz Co., Ltd. is actively engaging with institutional investors regarding its business development, R&D plans, and the transfer of control, indicating a focus on growth in the compound semiconductor sector and strategic partnerships for technological advancement [1][3][5]. Group 1: Investor Relations Activity - The investor relations activity was conducted as an on-site visit from March 13 to March 16, 2026, at the company's conference room [2][7]. - Participating institutions included CITIC Securities, Shenwan Hongyuan, Huatai-PineBridge Fund, and Dongfang Securities, with the company’s board secretary, Nan Shuyu, leading the discussions [2][7]. Group 2: Compound Semiconductor Business - The company reported a clear growth in orders for its compound semiconductor products, primarily supplying indium phosphide and gallium arsenide to its main customer, Tongmei Crystal [3][8]. - The applications for indium phosphide substrates are diverse, including use in optical modules, laser devices, wearable technology, and health monitoring devices, as well as in automotive displays, signage, and LED lighting [3][8]. - The company anticipates that orders for quartz products used in compound semiconductors will show an upward trend, with detailed data to be disclosed in the upcoming 2025 annual report [3][8]. Group 3: R&D Plans - Kaide Quartz has signed a cooperation agreement with Zhejiang University’s Hangzhou International Innovation Center to establish a joint laboratory focused on high-purity quartz material detection technology [4][9]. - The research will focus on three main areas: impurity-defect collaborative detection and correlation analysis, multi-scale microstructure dynamic characterization technology, and extreme environment performance testing and lifespan assessment [4][9]. - The joint laboratory aims to develop new detection and analysis technologies for high-purity quartz materials to support the safe development of strategic emerging industries in China [4][9]. Group 4: Control Transfer - The company confirmed that Jiangfeng Electronics has approved the proposal for the acquisition of control over Beijing Kaide Quartz at its first temporary shareholders' meeting on February 27, 2026 [5][10]. - The company has disclosed the progress of the control change and related transactions, indicating that subsequent procedures are proceeding normally [5][10]. - The company will provide timely updates on the progress of this matter to investors [5][10].