民德电子：芯微泰克为公司参股企业，目前公司的持股比例为28.57%

Core Viewpoint - Mindray Electronics holds a 28.57% stake in Chip Microtech, which focuses on specialized wafer foundry services for advanced power devices [2] Group 1: Company Overview - Chip Microtech specializes in wafer foundry services required for advanced power devices, including processes such as ultra-thin wafer processing and ultra-high energy ion implantation [2] - The company’s production processes include laser annealing, ultra-high temperature annealing diffusion, and heavy metal processing [2] Group 2: Product Range - Chip Microtech's product offerings encompass 6/8-inch IGBT, MOSFET, SBD, and FRD series products [2]