There are a variety of plastic products tag method, such as direct moulding (i.e. directly in the injection molding die engraving), Nano-imprint lithography, heat embossing and ink-jet, laser, etc.

• 有多种塑料制品标记方法，如直接成型(即直接在注射成型模具上刻制)、压印、热压花、喷墨、激光等。