The mixed plastic raw materials are put into the extruder, heated to reach a molten state, and under the action of pressure, extruded through a specific die to form a tubular plastic film. The film bl

Check whether the size of the plastic bag meets the requirements, whether there is damage or holes; Check whether the printed pattern and text are clear, complete and accurate; Test the tensile streng

If the plastic bag needs to be printed with patterns, words, trademarks, etc., the ethanol-based ink is circulated through the ink cylinder to maintain viscosity, and the printing operation is carried

Use a bag-making machine to cut, fold, electrothermically weld, seal and punch the printed (or unprinted) plastic film to make different types and specifications of plastic bags such as flat bags, zip

The main raw material is polyethylene, which is a petrochemical product. Mix one or more plastic raw materials and additives (such as colorants, fillers, antistatic agents, antioxidants, etc.) accordi