What is roll film? 

Simply speaking, the film is rolled up packaging film, There is no final process relative to the finished bag. Its material types are consistent with plastic packaging bags, common PCV shrinkage film, OPP film, PE film, PET film, composite film, and so on. Roll film is applied to an automatic packaging machine, For example, potato chip packaging, ice cream packaging, shampoo packaging, mask packaging, and so on. The cost of roll film packaging is relatively low, but it needs to cooperate with automatic packaging machines.