Shenzhen, China's tech nucleus, is undergoing a vertical makeover. In a bid to reclaim land for urban development, the city is pioneering projects that relocate enterprises to high-rise industrial complexes. Dubbed "upstairs factories," these spaces are particularly appealing to tech firms dealing with delicate equipment. Equipped with advanced stabilization tech, they mitigate disruptions from bustling highways and subway lines, signalling a novel approach to urban industrialization.