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  In recent years, optical grade PET polyester film has been widely used. Especially in the manufacturing process of liquid crystal display screens, PET optical film is an indispensable material, such as diffusion film, brightness enhancement film, anti-glare film, etc.

I. Background

 Thanks to the continuous expansion of the application field of film biaxial stretching technology, the demand for biaxial stretching production line equipment has continued to grow. The equipment market has been led by foreign manufacturers for nearly two or three decades, mainly companies such as Bruckner, Mitsubishi, Dornier and Mashan; in recent years, a number of domestic companies such as Guilin Institute, Beijing Institute of Technology, Shandong Yongjian, Qingdao Shunde, Shantou Jinming, Wuhan Modern, etc. have also grown.

 Plastic film is a thin continuous polymer material. Thicker plastics are often referred to as "flakes". These plastic films are used to separate areas or volumes, hold items in place, serve as barriers, or as printable surfaces. A film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins, used in packaging and as a film coating. Plastic packaging and plastic packaging products in the market share is growing, especially composite plastic flexible packaging, has been widely used in food, medicine, chemical and other fields, of which food packaging accounted for the largest proportion, such as beverage packaging, frozen food packaging, cooking food packaging, fast food packaging, etc., these products have brought great convenience to people's lives.

Warm congratulations to Guangzhou Putong for being selected as "Innovation and Entrepreneurship Model Enterprise" (one of the top ten) in Dalong Street, Panyu District.


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