Located in Dongguan City, Dongguan Hengli Yonghong Electronic Metal Factory is a Taiwan based professional supplier of transformers, AC/DC adaptors, PFC and Inductors. Totally 10 years' experience in developing and producing the power supplier products and perfecting total quality management, enhanced our strength to face the fierce competition from the global market. Our factory covers an area of 5000 square meters, with more than 750 diligent and well training employees keeping the assured quality and 1,500,000pcs monthly quantity. Our R&D and QC system are provided with high-qualification staff and new and branded developing and testing equipment became our quality controlling system whole-show. Our factory certified by the ISO9001-2000 and most of products obtained the security approvals such as UL, GS/CE, TUV, SAA, BS and CCC. We purchase the material that pass the SGS certification in order to make the entire product fit for LEAD FREE and also all our supplier are from less than 150km away to keep the time on. If you are interested in any of our products, please feel free to contact us for more information. We are looking forward to forming business relations with customers from all over the world.