Ei transformer We have various ei transformers available, from 0.5va to 120va. We accept both oem and odm business, with no minimum order quantity required. Delivery schedule is 7-28 days, depending on quantity, and design time is included. Our products have obtained the certificates including iso9001, cesi, ce and rohs. And we are trying to get the certification of ul. Please don't hesitate to contact us for further information. We always welcome you at any time. According to specific products