Kingwall Electronics Ltd. is a one of the leading power transformer manufacturers in Hong Kong with factory in China. With more than 20 years of experience, we manufacture a wide variety of switching mode power supplies and power transformers, such as SMPS adapter, open frame for DVD receiver, LCD TV inverter, EI-Core, Toroidal-Core, UI-core, R-Core and high frequency coils, etc. These are used extensively by world-renowned electronic and electrical product manufacturers, such as DENON, PEAVEY, NAD, PHILIPS, THOMSON, branded, KENWOOD, SHARP, YAMAHA, DAEWOO, JVC, ONKYO, products comply with various safety standards, including UL, CSA, IEC, DENTORI, TUV, EN, GS, ENEC, BSI, SAA, CCEE, etc. and are suitable for audio equipment, home appliances, precision products, computer accessories, telecommunication products, toys, UPS, halogen lights, electronic game facilities, office and industrial equipment, etc.