Shenzhen Changfengqi Technology Co., Ltd. is a well-known high-tech company specialized in Memory SD card,Micro sd card,USB sticks and SSD,the factory covers an area of three thousand square meters, there are more than one hundred and seventy employees,we focus on Flash storage products and have been professional and practical attitude for more than ten years, providing customers with more flexible and timely services. OEM&ODM, SD Encryption,SD Partition,Change CID/CSD,Write protect ,Preload program,WIFI SD Etc,In the industry,We constantly explores innovation, intensive cultivation, and gathers a large number of professional talents in R&D, production, and technical services. With three SMT production lines, five memory cards produce line, and USB disk assembly line, we have implemented a strict process management system during product manufacturing, testing, assembly, and packaging. We always maintain a high level of production capacity and excellent product quality. We promise to give customers shorter delivery times, more competitive prices and better quality products! Looking forward to cooperate with you !