One day, we received an invitation from a customer who wanted us to help him with the energy-saving renovation of his dryer. Before departure, we brought one with usA 50kg dryer, the customer is a boss with over 20 years of experience in plastic products. The customer took us to visit their factory, which uses ABS material for drying. The factory has eleven injection molding equipment, including a 2900 ton injection molding machine. During the conversation with the customer, the customer mentioned that their existing ordinary dryer consumes a lot of electricity, is inconvenient for cleaning materials, and easily pollutes raw materials. The customer is also interested in making energy-saving improvements. After showing the customer our prototype, the customer wants to see how the energy-saving dryer works. Through actual testing, the customer speaks with facts.