Zhejiang Zhongcheng: The company's POF heat shrinkable film products are mainly used in the outer packaging of all kinds of food, beverages, daily necessities, cosmetics, cultural and educational products, books, audio-visual products, pharmaceutical products, electronic products, handicrafts, communication equipment, hardware tools, etc., as well as the collective packaging of various light and small products. Pharmaceutical and medical products are one of the application fields of the company's POF heat shrinkable film products. Although they currently do not account for much of the total downstream application fields, they are the application direction that the company focuses on expanding.