Licensed Projects: Packaging and decoration printing, Printing of specific printed materials。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.) General Projects: Paper product sales, Paper product manufacturing, Import and export of goods, Technology import and export, Non-residential real estate rentals, Machinery and equipment rental, Manufacturing of new membrane materials, Sales of new membrane materials, Plastic product manufacturing, Plastic product sales。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)