Being a Hong Kong based electronic components company incorporated in 2002, szyoulen is one of more reputable Manufacturer recognised within the industry for memory card(SD, MINI SD, MMC mobile, MMC plus, CF, SD+USB2.0) and USB pen drive. We 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 very 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. szyoulen factory expanded to 3, 000 square meters. Every Month, we make up to 1, 000, 000 units using Samsung SMT machines and COB Equipment .We can offer you professional OEM and ODM service.We are so confident our products will meet the standards of end-users in your market that we ship each item with a five-year warranty. With the excellent R&D team, We also have some new products every year. Call us today for more information about our latest customizable memory card and USB pen drive.