Located in Shenzhen, the Silicon Valley of China, KeeYees Technology Inc. is a big professional ElectronicProducts Manufacturer and Seller, dedicated to open-source hardware research development, production and marketing. All of our products comply with International Quality Standards and are very popular in a variety of different markets throughout of the world. KeeYees is your best choice in various electronic modules components designed for customers of any level to learn Arduino and Raspberry Pi knowledge. In addition, we also sell products like 3D printer accessories, connectors and termin...