WSW is subsidiary company of Ma Labs(USA). The factory locats in Shenzheng, a world-class and professional manufacturer in the memory industry, specialized in the design and manufacture of USB flash drives, our experienced R&D team continues to create numerous unique, stylish and high-tech products to the OEM/ODM customers worldwide. The factory based production facility, which boasts eleven highly automated surface mount (SMT) assembly lines, boost the monthly output to 1.7 million units of USB drives, and stands as one of the largest and most advanced SMT facility in China. All our USB drives & Memory Module are back with lifetime warranty. Our intensive quality control and testing procedures are designed to ensure the highest possible product quality.