The weight is subject to actual measurement. Conveyor chain bucket back sealing packaging machine model: HLB4-420C1-S2 Application scope: This machine is suitable for fully automatic packaging of various granular materials such as preserved fruits, candies, red dates, small toys, puffed foods and other irregular materials. Features of this machine: 1. Compact overall structure, stable performance, small floor space, and easy maintenance; 2. All parts in contact with materials are made of 304 stainless steel to ensure product hygiene. 3. It features both Chinese and English LCD display, which is simple and easy to understand, convenient to operate and has good stability. 4. High-precision stepper motors are adopted to precisely locate the same position of each packaging bag pattern. 5. The control system accomplishes the synchronization, fixed-length, positioning and speed of the entire machine, and has the function of automatic fault diagnosis. 6. The additional devices of this machine can complete ribbon printing, punching, automatic fault alarm, exhaust or inflation device, etc.