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The surface engineering chemicals industry is a research-driven sector. Since its establishment, Sanfu has regarded R&D as its primary productivity driver and has focused on building a strong R&D team. After years of development and accumulation, the company has gradually built a powerful R&D team, with research areas covering industries such as PCB, semiconductor applications, mobile communication, hardware and bathroom, automotive parts, new energy, and more, resulting in abundant research achievements. Sanfu has accumulated 83 invention patents and 97 utility model patents. Several specialized technologies, including the preparation and application of PCB copper electroplating chemicals, electroless nickel/ immersion gold for PCBs, pulse electroplating copper for PCBs, hole-filling electroplating chemicals for PCBs, tin plating chemicals for passive components, cyanide-free electroplating additives, chrome-free micro-etching chemicals for ABS, and high-efficiency monocrystalline heterojunction solar cell electroplating additives, have broken through the technological blockades of international industry giants and achieved large-scale applications among typical clients in the industry.