According to the market demand, self-developed packaging equipment for large bag packaging materials weighing, it is a set of computer weighing, automatic bag removal, dust removal in one of the multi-purpose packaging machine, its high degree of automation, high packaging precision, widely used in cement, mining, building materials, chemical industry, food, fertilizer, feed and other industries of large bag packaging. According to the respective characteristics of powder materials and different requirements of manufacturers, tailored and designed, the equipment is advanced in technology, less wearing parts and durable.