1 Function of packaging
<1> The realizationg of commodity value and use value is a means to increase the value of goods.
<2> protecting commodities from natural factors such as sun,rain and dust pollution, preventing volatilization, leakage,dissolution, pollution, collision, loss and theft, etc.
<3> It is convenient to store, tansport, adjust and pin and the circulation,such as loading and unloading,counting, stacking, shipping, receiving, transshipment, sales counting ,etc.
<4>It is advantageous to promote sales by beautifying products and attracting customers.
2 Packaging classification
<1>According to product distirbution:domestic product packaging and export packaging.<2>According to the function of packaging in circulation in circulation:single package,medium packaging and outer packing ,etc.
<2>According to the function of packaging in circulation: single package, medium packaging and outer packaging,etc.
<3> According to packaging materials: paper products packaging, plastic products packaging metal packaging, bamboo wood packaging, glass container packaging and composite packaging, etc.
<4> According to the number of times of packaging:once used in packaging,multiple packaging and turnover packaging, etc.
<5> Hard packaging,semi-hard packaging,etc.
<6>According to the product category: food packaging,pharmaceutical packaging, mechanical and electrical product set packaging, dangerous goods packaging and so on.