Promomilia is found in the competitive city and the most developed region for the electronics industry in China - Shenzhen, with factory part of around 2,000 square meters. We have creative design team and rich production capacities to manufacture custom-made USB flash drives and other cool consumer gadgets. Promomilia is the most trustworthy manufacturer of Custom UNIVERSAL SERIAL BUS (USB) Flash Drives and Advertising USB Sticks from China with a huge range of creative designs to choose from!