... 2)Use:Agriculture,Industrial,Food,etc; 3)Various sizes and colors are available; Bag containers are a kind of ... package containers,Which are characterized by dust proofing ,damp proofing, radiation-resistance, safety ,firmness, and so on.In structure, it ... widely used in the package of chemical industry,cement,grain,minerals,which are powdery, grainy, and lumpish.Any other reasonable requests from ...