1, PE bag for the most simple production process, made by machine blown film, and then to bag making machine cut into one bag, one above the bottom sealing. 2, valve bag is made by machine blown...

01 "--, PET (polyethylene terephthalate) Mineral water bottles, carbonated beverage bottles are made of this material. Dong jinshi, points out that bottles cannot be used with hot water circulat...

About the correct method of collection and storage of plastic bags, you can make it durable. Plastic bags are the most important clothing packaging, it will use plastic bags as a clothing manufactu...

Food plastic bags are often used in people's life, but also must be careful when use, some plastic bags are toxic, how to identify what kind of bag is toxic, what kind of nontoxic? 1, with the h...

With the improvement of people's living standard, the development of market economy, social demand for plastic soft packing showed a trend of rising year by year, and more and more grade. Plastic f...