Topxcard Technology Co., Ltd. (Topxcard) is a Hong Kong based electronic component company incorporated in 2004. Topxcard is one of reputable manufacturers within the industry recognized for memory cards (SD, MINI SD, MMC mobiles, MMC plus, CF) and Mobile phonesWe are the first manufacturer in China engaged in producing RS-MMC and Mini -SD, alongside with other most popular products SD and MMC. With our own production line in China, one stop solution is offered to our customers. From case molding, ultra thin PCB designing, to labeling are all under our management. With excellent R&D team, we also have new products every month. Call us today for more information about our latest customizable memory cards and mobile phone.