Zhejiang Dechuang Transformer Manufacturing Co., Ltd. was founded in 2006, 8000 square meters non-dust workshop, 14 years’ experience, CQC, UL, CUL, TUV, GS, CE, KC, FCC, EMC certificates and ISO9001: 2015 the quality management system, very near Ningbo and Shanghai port, this is how we keep good quality and competitive prices for global valued customers.Our company can also supply OEM and ODM service. https://www.nbdce.com/product/toroidal-transformer/