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عربىSales at home and abroad, foreign trade mainly exported to Europe, America, Southeast Asia and other countries.
Generally speaking, the following three materials are used for mailing bags:
1.PVC
The advantage is low cost
The disadvantage is that it is toxic and not suitable for packaging food, food containers and other articles with hygiene requirements.
2. Polyethylene
Plastic materials generally contain CL atoms, which are toxic.
3. PE material
