Powder Mixer in stock Product Description Dry powder mixing machines and packaging machines are also known as premixed mortars, which are made in the factory by precise batching and uniform mixing. It can be used directly by adding water on the construction site. Although different additives are particles and the concentration and mixing of composite materials such as wet granulation, drying and pulverization. It is widely website:http://www.hdgrinder.com/mixer/powder-mixer/