HK Winsin Electronic Co.,Ltd. specilizes in R&D,Production,and Sales of power bank chargers.Factory has over 200 workers,2200 square factory area,over 10 production and assembly lines.Our main products are 18650 power bank,Li-polymer power bank and Wifi router power banks,which sold to inland and international markets.Covers more than 60 countries and area.In order to provide higher quality products,and cater to different needs from vast customers.