The cleaning workshop of 100,000 cleanliness class, in line with GMP standard, possesses three filling lines, and sets aside an automatic filling line for the future expansion need. The workshop is in the layout of reasonable logistics and stream of people, in order to prevent cross-contamination. The insect-prevention screen and outside window screen are placed in the entrance of plant. To get into the production area of the cleaning workshop, the workers should, in strict accordance with the regulations, replace the clean clothes and shoes, wash hands and disinfect, and enter the buffer zone after 30 seconds of air shower.

The air-conditioning units provide a stable working environment for the cleaning workshop. The second-stage reverse osmosis water treatment plant and ozone generating plant in the water preparation workshop are the guarantee for sterile purified water of the cleaning workshop as well as the standard laboratory in the workshop.