WALCHIP TECHNOLOGY INC. WALCHIP is a Taiwan based computer memory & Flash supplier/OEM company. Established in 2011, we've worked with many well-known brands in both Taiwan and Europe. -Memory Module DDR3 DDR4 -Solid State Drives -MicroSD Card -USB Flash Pen Drive Branding and Labeling service is able to be done as our OEM service. Please contact us if you need a reliable supplier.