The multi chamber hot runner system consists of a main runner plate, a splitter plate, and several hot nozzles, with a complex structure. By controlling the temperature of each splitter plate and hot nozzle, the system reaches a thermal equilibrium state. Common injection molding materials are PE/PET/TPE/PCTG, etc. Multi cavity hot runner systems are mostly used in medical, cosmetics, food packaging, the first mock examination multi cavity systems, etc.