This chocolate bean triangular bag packaging machine is suitable for metering and packaging granular materials in the food, chemical, and cosmetic industries. It automatically completes all tasks including bag making, metering, filling, sealing, cutting, and counting. It can also print batch numbers according to customer needs. It uses a touch screen operation and PLC control, with a stepper motor driving the bag length. It features stable performance, easy adjustment, and accurate detection. An intelligent temperature controller and PID control ensure temperature control error is within 1 degree Celsius. Applicable packaging materials include: BOPP/polyethylene, aluminum/polyethylene, paper/polyethylene, polyester/metallized/polyethylene, nylon/CPP, etc.