Production of plastic bags profit is how big

Plastic bags to PP and PE bags, but also divided into new material bags and back to the material bags, if the accounting by the tonnage, that and the basic as follows:

New material bags: raw materials purchase price X 2.2 times = product sales price.

Return bag: raw material purchase price X 1.7 times = product sales price.

Basically, this is the level of profit margins, but also depends on the other side of the purchase volume and quality requirements.... The larger the volume, the sales price will be the more, but the higher the quality requirements, the higher the sales price will be, the specific things specific treatment, this is a market economy, the competition is fierce to Wuxi Lunbi. Basically are operating at a small profit. All rely on volume ...