Beijing Wanguofenfa S&T Center, established in 2004, is a high-tech enterprise based in Beijing, China, operating as both a manufacturer and trading company. With 11 to 50 employees and an annual revenue between 2.5 million and 5 million USD, the company specializes in electrical and electronic R&D and application. They offer OEM services and have a factory, along with an R&D department. The company is structured into three departments: Industrial Control, Electronic Element, and Power Supply. The Industrial Control Department handles 380V/220V FUJI Inverters and developed inverter accessories. The Electronic Element Department provides a wide range of components including IGBT, GTR diode, modules, capacitors, Thyristors, IPM, and PIM from brands like FUJI, MITSUBISHI, Siemens, and EUPEC. The Power Supply Department focuses on adjustable power supplies, utilizing modules from VICOR, LEM, and LUNCENT. Beijing Wanguofenfa S&T Center is ISO 9001 certified, ensuring high-quality goods. They are also recognized as one of the largest inverter repair centers in northern China and have significant international trade capabilities, with exports accounting for 71% to 90% of their business.
FF400R12KT3 New and Origal Power Module 1200V$50
3 Phase 220V AC Drive for Toshiba VFS11-2037PM 3.7KW$50
Beijing Qifangtian Environmental Protection Technology Trade Co., Ltd. is a group enterprise established in 2005, specializing in environmental protection technology research and development, process design, equipment manufacturing, engineering construction, and operation services. Based in Beijing, China, the company operates as a manufacturer, service company, and offers ODM, OEM, and contract manufacturing services. With 51 to 100 employees, it holds qualifications for general contracting of municipal public works and professional contracting of environmental protection projects. The company comprises an environmental protection equipment production factory, a filter material production factory, a construction and installation company, and an intelligent environmental technology company. Beijing Qifangtian Environmental Protection Technology Trade Co., Ltd. provides one-stop sewage treatment solutions for municipal, industrial, and village wastewater, leveraging nearly 20 years of engineering and technical experience. The core products include various functional biological filters, special functional filter materials, and supporting equipment such as "IBAF integrated biological filter equipment" and "SWE intelligent water integrated village and town sewage treatment equipment." They also offer decarburization filters and have developed anaerobic ammonia oxidation biological filters for high ammonia nitrogen wastewater. The company is certified with ISO 9001, ISO 14001, IATF 16949, BSCI, and GMP, and has been recognized as a "Specialized and Special New Enterprise" and "National High-tech Enterprise."