Semi-automatic bag on valve filling machine for propellant charging and crimping. This machine is semiautomatic, there is a single working table seated on the working table which combines the function of vacuum, propellant filling, and crimping. This set of equipment has been widely used in medicine, health, fire, daily chemical, and other industries, such as sunscreen spray, shaving foam,  disinfectant, Hydrating spray, moisturizing spray, cream spray, olive oil spray, etc.