YFM.Founded in 1989 and headquartered in Wenzhou, Zhejiang, YFM is a company specializing in the research, development, and production of corrosion-resistant pumps, valves, piping, and vessels (such as tower sections, tanks, and reactors). The company specializes in corrosion-resistant materials such as polytetrafluoroethylene (PTFE) lining and ceramics. Its main products include PTFE-lined valves, ceramic valves, PTFE-lined piping fittings, chemical centrifugal pumps, and various industrial vessels. These products are widely used in engineering fields with stringent corrosion resistance requirements, such as petroleum, chemicals, pharmaceuticals, textile printing and dyeing, power generation, shipbuilding, metallurgy, and defense. The company occupies a site area of 8.5 mu (approximately 1.4 acres) with a building area exceeding 15,000 square meters. It operates a subsidiary, Fujian Yuflumi Pump & Valve Co., Ltd. YFM has obtained certifications including the ISO 9001 Quality Management System, EU CE certification, and the National Special Equipment Manufacturing License (TS), and holds 12 national patents.