一下子全都挤了进去的成语

The relocation of Ascendas Group's headquarters has brought a large number of people. Ascendas Electrical Appliances, research centers, etc. have all moved there. However, Xiao's Pharmaceutical Factory has not moved because Xiao's Pharmaceutical Factory specializes in supplying special effects current to the military. Which factory All can be moved, but this factory cannot be moved....