The Foxconn production line consists of 355 containers with a total of 2 layers. The roof of the prefabricated office containers is made of refractory rock wool sandwich panels. The main uses are electronic production lines, offices, canteens, staff recreation rooms. Portable office containers are produced by 4 lines at the same time and installed by 24 workers at the same time. Even the interior decoration takes 50 days to complete, and the skeleton of the office container takes about 10 days.