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In recent years, PET / HDPE plastic bottles have been increasingly applied to the field of liquid food packaging. Plastic bottle with the capacity of large, strong, lightweight, easy to carry, can be frozen, recyclable, etc., to expand its presence in the field of liquid food packaging applications. To the beverage industry as an example, according to incomplete statistics, the current global beverage bottles each year for the consumption of plastic containers for more than 1000 million tons, and its annual production and sales is 10% ~ 19% of the rate of growth.

In the dairy industry, milk acid dairy drinks market in China for three consecutive years by more than 30% maintained a rapid growth and become the development potential of dairy industry's biggest category. Plastic bottle packaging is acidic milk beverage containers used in the packaging of the fastest-growing type, its growth rate even more than the growth rate of the product.

Small 220ml plastic bottles HDPE packaging acidic milk drink, the core consumer group of children. After more than ten years of development, small packaging HDPE plastic milk bottles of acid stability of the market firm, and developed rapidly. HDPE plastic bottles has become a child of acidic milk drink packaging is absolutely dominant form of market share as high as 94%. Packing more than 350ml of acidic milk drinks market over the past two years, new emerging categories, the rapid increase in its market share, target customer base for 18 to 25-year-old young women. After several years of development and packaging of acidic milk drink constantly expanding range of consumer groups, and PET plastic bottles has become a leading packaging dairy packaging beverage form.