Founded in 1987, China Ningbo Wanji Electronic Technology Co., Ltd, as a key private-owned enterprise in Zhejiang Province, is located in Cixi Andong Industrial Zone and adjacent to Qiaotoubao of Hangzhou Bay Bridge. We specialize in toroidal transformer, toroidal transformers, ring iron core, ring type transformer, EI transformer, AC/DC power supply adapter, mobile phone chargers, switch power adapter, switching power supply, etc. Except iron core, all products are awarded as Ningbo High-Tech Products. Our main products have already got the certificate of RoHs, UL/cUL, CCC, GS, CE, TUV, VDE, FCC, CSA, etc. Devoting to the specification, popularization & diversification of product & adhering to standard management, we have not only produced products, toroidal transformer, toroidal transformers, but also created values for the clients. We will provide superior, punctual & satisfying services for clients by complete market network service system.