Ningbo Wanji Electronics Science & Technology has been specializing producing toroidal transformers and other related products for 21 years, and we're still going strong. Buyers worldwide benefit from our experience, and our annual sales exceed $10 million. Daily capacity of 10,000 units With 32 production lines and over 1,000 staff at our 37,000-square-meter factory, we are able to maintain a daily capacity of 10,000 units, making us one of the largest transformer manufacturers in China. We gladly welcome your volume OEM/ODM orders. Your samples will be ready in just five days. Equipment from South Korea, Japan and Taiwan To make sure we supply you with quality products, we use some of the best equipment from South Korea, Japan and Taiwan. Our staff handle your order according to ISO 9001:2000-certified guidelines, and our products are RoHS-compliant. We also carry UL, CCC, GS, TUV, CE, VDE and CSA certifications for easy market entry. Contact us today Come to us for toroidal transformers, EI transformers, switching power supplies, AC/DC adapters, standard battery chargers and more. For further information, contact us today.