There are many packaging printing processes, and bronzing is certainly not new to many designers. Hot stamping aluminum is "hot stamping", "hot stamping foil" or "hot stamping", etc. According to different printing materials, it can be divided into paper stamping, fabric stamping, leather stamping and plastic stamping. According to different hot stamping templates and process technologies, there are hot stamping, cold stamping, single layer stamping, multiple stamping, and three-dimensional stamping.