Group 1: Industry Insights - Nvidia (NVDA.US) is expected to release its next-generation Rubin series products in the second half of next year, utilizing M9 materials and orthogonal backplanes, which significantly increases processing difficulty and leads to a rise in both quantity and price of PCB drill bits [1] - The global PCB drill bit industry is currently facing a shortage, with the top five companies (CR5) holding a combined market share of 75.2% as of the first half of 2025, with DingTai High-Tech leading with a sales volume of 500 million units and a market share of 28.9% [2] - The demand for high-performance drill bits is expected to increase significantly due to the higher requirements for drill bit length, breakage rates, and processing performance associated with advanced materials [1][2] Group 2: Company Developments - Minexplosion Optoelectronics (301362.SZ) announced plans to acquire 100% of Xiamen Maida's stake in Xiamen Precision, focusing on the production of PCB, FPC, IC substrates, and AI PCB tungsten micro-drills, with a product size range of 0.09mm to 0.35mm [1] - DingTai High-Tech (301377.SZ) is set to benefit from the technological iteration in the PCB drill bit market, leveraging its scale and self-manufacturing capabilities to maximize profits amid the current shortage [2] - Wald (688028.SH) has made progress in internal verification of PCD drill bits, focusing on high-hardness and brittle materials for PCB and semiconductor applications, with the ability to process over 8,000 holes in M9 boards without breakage [3] - Xiamen Precision, established in 1995, has a strong technical foundation and plans to expand its production capacity from the current 15 million units per month to over 50 million units in the next 2-3 years [3]