Topxcard Technology Co., Ltd. (Topxcard) is a Hong Kong based electronic component company incorporated in 2004. one of reputable manufacturers within the industry recognized for memory cards (SD, MINI SD, MMC mobiles, plus, CF) and Mobile phonesWe are ...

Shanghai Shengang Trading Co., Ltd. is a company of international trade and oversea commerce with the authority import export. Main business SST providing an OEM service on producing mobile phone communication related products,we have some other ...