Stainless steel horizontal double screw belt mixer, double screw belt rotation so that the material is fully mixed in the cylinder, high mixing uniformity, fast speed, suitable for multi-industry powder material mixing. The matching screw conveyor can transfer materials automatically and eficiently, Packaging machine can automatically weighing, quantitative packaging and sealing, with the first two, to achieve the automation process from mixing to packaging, to improve production efficiency, to ensure stable packaging quality, to meet different materials and packaging needs, widely used in chemical food and other industries.