Flexible packaging refers to packaging in which the shape of the container can change after filling or removing the contents. Various bags, boxes, covers, envelopes, etc. made of plastic film, paper, aluminum foil, fibers, and their composites are all soft packaging. Generally, sheet plastic with a thickness of less than 0.25mm is referred to as a thin film. Glass paper bags, plastic film bags, plastic composite film bags, plastic woven bags, and plastic woven composite bags are collectively referred to as plastic flexible packaging.



China's flexible packaging was introduced from Japan in the late 1970s. After more than 30 years of practical testing, China's flexible packaging has developed rapidly from scratch, from few to many, and from small to large; The product has also developed from a single structure and function towards a multi-layer composite structure and multiple functionalities; Nowadays, flexible packaging has been applied to various aspects of our lives and plays an important role in modern social life.



In 2015, the output value of China's plastic flexible packaging industry was 76.97 billion yuan, an increase of 5.4% compared to 73.024 billion yuan in 2014. The output value of China's plastic flexible packaging industry in recent years is shown in the following figure:



Total output value of China's plastic flexible packaging industry from 2009 to 2015

Source: National Statistics