Discover the high-quality Ultrasonic Heater Open Cam Middle Speed Paper Cup Production Line, model JBZ-OCS12, designed by Mingyuan Machinery. This efficient machine produces 65-75 paper cups per minute, perfect for hot drink cups with sizes ranging from 3 to 12OZ. Ideal for B2B international trade, it ensures durability and precision with copper heater side welding and heater knurling for cup bottoms.