Shenzhen TopSharp Precision Electronics Co. Limited is the original factory of HandFan, it's very popular in Korea, Philippines, Taiwan, Japan, China and some parts of USA like Hawaii ... We are BSCI factory and the supplier of Germany LIDL mainly specializes in USB mini fan, hand warmer power bank,selfie stick, phone holder and phone case products around smart device accessories.we have got international patent, FCC and CE certifications, battery with UN, MSDS and IEC certifications.