Auomatic round small bottle nail polish filling machine capping machine is a filling, the inner plug, inside tamponade, on the cover, unscrew the cover, the main part of the composition of PLC control. The machine through the cam drive, positioning accuracy, stable transmission. PLC automatic control filling, internal tamponade, capping the whole process. Automatic injection molding machine can be formulated by blowing directly into the filling system, to prevent cross-infection, the entire process is completed under sterile conditions. Without washing and drying. This machine is suitable for nail polish, nasal drops, ear drops, essential balm and other small dosage formulation filling .