The series injection type gravity type dual-use filling machine is a high-tech product researched and developed by our company. It is suitable for products of various viscosities such as water injection, semi-fluid, ointment and shampoo etc. It is widely applied for filling of products in such industries as food, cosmetics, medicine, grease, daily chemical industry,detergent,pesticide and chemical industry etc. By adopting straight line filling model, it can be used to fill solution of different types without the need of adding any spare parts.