QGB2Y PLC controlled two-in-one type of bag on valve aerosol filling machine is the filling machine of aerosol bag on valve packing with electronic control. The whole machine is composed of bag on valve packing sealing machine, bag on valve liquid filling machine, PLC control system and workstations. It is used for filling, production and processing of bag on valve packing aerosol products. It can complete the under-cover sealing of aerosol cans and liquid quantitative filling. Its control system uses the trendy PLC + touch screen machine. It is characterized by safe and reliable operation, good airtight sealing, measurement accuracy, and high precision of repeat filling.