PC case fan manufacturing is growing more advanced with automated production lines, but manual assembly is still involved. Learn more in our Deepcool fan factory tour in China... Deepcool has factories located in both Shenzhen, China and Dongguan, China. For this tour, we're focusing on the company's Shenzhen factory for its PC case fan manufacturing, where we show how fans are manufactured in China. This facility uses "robots" and automation for its assembly, with human oversight to ensure proper installation of bearings, blades, and more.