双汇化工包装业升级：PVDC肠衣膜从依赖进口到全球领先

Core Viewpoint - The company has successfully developed PVDC casing film, overcoming previous reliance on foreign technology and establishing itself as a leader in the domestic food packaging industry [1][2]. Group 1: Development and Innovation - The production of PVDC casing film was previously monopolized by foreign companies, creating challenges for the domestic food industry [1]. - In 1996, the company introduced its first production line for casing film and established a packaging technology research center to innovate in this area [1]. - Over 20 years, the company has built nine production bases across the country, becoming the largest PVDC film processing and research base globally [2]. Group 2: Technological Advancements - The company has implemented smart upgrades to its production lines, resulting in over a 50% increase in hourly production capacity for PVDC films and a similar improvement in labor efficiency [4]. - The company holds 143 effective patents and has established a comprehensive product research and testing system, leading the industry in technology [4]. Group 3: Market Expansion and International Competitiveness - The company has developed a range of PVDC products, including printing films, preservation films, medical films, and stretch films, breaking international monopolies in the medical film sector [4]. - The annual export volume of PVDC products has reached 5,000 tons, enhancing the company's international competitiveness [4]. Group 4: Strategic Direction - The company has created a closed-loop industrial chain from PVDC resin synthesis to end-use applications, transitioning from traditional channels to diverse market scenarios [5]. - The company's strategy emphasizes industrialization, diversification, internationalization, and digitalization, showcasing a collaborative approach to technological innovation and industry integration [5].