Core Viewpoint - The transformation of Shuanghui's chemical packaging industry, particularly in the production of PVDC (polyvinylidene chloride) casings, marks a significant advancement in China's food packaging sector, overcoming previous reliance on imported materials and establishing a leading position in the industry [1][2][3] Group 1: Industry Development - The PVDC casing film is crucial for the production of ham sausages, directly affecting product quality and safety, with stringent production standards [1] - In the 1990s, high-performance casing film technology was dominated by foreign companies, leading to high costs of up to 120,000 yuan per ton due to reliance on imports [1] - Shuanghui Group established a packaging technology research center and invested in the development of domestic production capabilities, leading to the establishment of nine production bases across China [1][2] Group 2: Technological Advancements - The company has implemented intelligent upgrades to production lines, resulting in over a 50% increase in hourly production capacity of PVDC films and significant improvements in labor efficiency [2] - Shuanghui has developed a comprehensive R&D and testing system, holding 143 valid patents, and has led the development of national standards for casing films [2] - The company has adopted solvent-free adhesive technology and is actively involved in revising national and industry standards, promoting environmentally friendly practices [2] Group 3: Market Expansion - Shuanghui's PVDC casing films and other products are now exported to over 10 countries, including Vietnam and Indonesia, with an annual export volume of 5,000 tons, enhancing international competitiveness [3] - The company's strategy of industrialization, diversification, internationalization, and digitalization has reshaped the food packaging industry, transitioning from "import substitution" to "global leadership" [3]

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].

Core Insights - The article highlights the transformation of Shuanghui's chemical packaging industry, showcasing its journey from technology monopoly to independent innovation and global expansion through the development of PVDC sausage casing film [1][2][8] Group 1: Technological Breakthroughs - PVDC sausage casing film is crucial for the production of ham sausages, affecting taste, preservation, and safety, with strict quality standards required for food-grade packaging materials [2][3] - In the 1990s, the technology for high-performance casing film was monopolized by foreign companies, leading to high costs and reliance on imports, which posed challenges for Shuanghui's ham sausage business [2][3] - Shuanghui introduced its first casing film production line in 1996 and established a packaging technology research center, marking the beginning of its journey towards self-sufficiency in this technology [2][3] Group 2: Industry Development - Over 20 years, Shuanghui's chemical packaging industry has established nine production bases across China, becoming the largest PVDC film processing and research base globally, transitioning from technology importation to independent innovation [3][4] - The company has significantly upgraded its production lines through automation and smart technology, resulting in over 50% increase in production capacity and efficiency across various factories [4][6] Group 3: Industry Standards and Sustainability - Shuanghui has developed a comprehensive product research and testing system, holding 143 effective patents and leading the industry in technology standards [6][7] - The company has actively participated in the formulation and revision of national and industry standards, including leading the development of national standards for casing film, promoting industry advancement [6][7] Group 4: Full Industry Chain Development - Shuanghui has built a complete industry chain from PVDC resin synthesis to end-use applications, ensuring raw material supply and seamless integration of production processes [7][8] - The company has expanded into high-value markets such as medical and beverage packaging, achieving a transformation from traditional channels to diverse applications [7][8] - Shuanghui's products, including PVDC casing film and aluminum wire, are exported to over ten countries, with an annual export volume of 5,000 tons, enhancing its international competitiveness [7][8]