Ningbo Wanji Electronics Science & Technology Co., Ltd., established in 1987, is a leading manufacturer and trading company based in Cixi, Ningbo, China. Recognized as a "National high-tech Enterprise" and "National Little giant" firm, the company specializes in the design, manufacturing, and marketing of intelligent controllers (PCBA) and a comprehensive range of power transformer products. With over 500 employees and operating across two production plants covering 40,000 to 56,000 square meters, Ningbo Wanji Electronics Science & Technology Co., Ltd. offers OEM, ODM, and contract manufacturing services. Their extensive product portfolio includes Toroidal Power Transformers (single-phase, three-phase, medical, autotransformer), EI Power Transformers (single-phase, isolation, shell-type), Toroidal Iron Cores, Power Modules (AC-DC, DC-DC), Inductors, and High-Frequency Control Transformers. Through its subsidiary, Ningbo Zuoao Electronics, the company also develops and manufactures home appliance controllers for various applications. The company holds numerous certifications including ISO 9001, ISO 14001, RoHS, UL, CE, CQC, CSA, ETL, GS, CCC, and FCC, ensuring high quality and compliance. Their products are widely utilized in industries such as New Energy (wind and solar power), Smart Home Energy Storage, Medical, Security, Home Appliances, Communications, and Industrial Automation. Ningbo Wanji Electronics Science & Technology Co., Ltd. is committed to continuous R&D, holding multiple invention and utility model patents, and exports its products globally.
Toroidal Iron Core Made of Prime CRGO Silicon Steel