三级精品自拍乱伦,欧美日韩精品中文,无码国产高清影视,国产高清oo在线观看,国产精品日韩无码

Glass is a kind of packaging material with a long history. Glass bottle is also a traditional beverage packaging container in China. With the influx of a variety of packaging materials into the market, glass containers still occupy an important position in beverage packaging, because it has packaging characteristics that other packaging materials can not replace, but the use of the beginning of a substantial reduction. The main characteristics of glass packaging containers are: non-toxic, tasteless, transparent, beautiful, good barrier, airtight, rich in raw materials, low price, and can be used for many times. Moreover, it has the advantages of heat resistance, pressure resistance and cleaning resistance, which can be sterilized at high temperature and stored at low temperature. Because of its many advantages, it has become the first choice for fruit tea, sour jujube juice and other drinks that require higher packaging containers. But glass containers also have some disadvantages: Mainly from the big, easy to damage, high transport costs, printing and other secondary processing performance is poor, lead to use began to sharply reduce, large supermarket shelves today have basic can't see the beverage of using glass container, in schools, small shops, canteen, small restaurants and places of consumption is not high, can see cheap glass bottled carbonated drinks, soy milk and herbal tea.