In 2025, Changzhou Hefeng Packaging Materials Co., Ltd. applied for a patent for an edge correction device for ultra-high molecular weight polyethylene (UHMWPE) carbon fiber composite film. This device aims to optimize edge control in the film production process, improve film width stability, and increase the yield of finished products.

In 2025, Changzhou Hefeng Packaging Materials Co., Ltd. applied for a patent for a central coiling equipment for the production process of PTFE proton exchange membranes. This equipment is designed specifically for polytetrafluoroethylene (PTFE) proton exchange membranes, aiming to improve the tension uniformity and overall product quality during the membrane material winding process.

In 2025, Changzhou Hefeng Packaging Materials Co., Ltd. applied for a patent for a guiding device for polyimide (PI) material blown film process. This technology aims to improve the tension control and guidance accuracy during the blown film forming process of PI film, ensuring the dimensional stability and quality consistency of the product.

In 2025, Changzhou Hefeng Packaging Materials Co., Ltd. applied for a patent for an extrusion screw used in optical grade polyvinyl alcohol (PVA) materials. This technology focuses on improving the extrusion process of optical film materials, optimizing material uniformity and transparency to meet the high standard requirements for material quality in optical products.

In 2025, Changzhou Hefeng Packaging Materials Co., Ltd. applied for a patent for PTFE proton exchange membrane extrusion screw used in the field of protective clothing. This technology is aimed at the extrusion molding process of polytetrafluoroethylene (PTFE) proton exchange membranes, aiming to improve the stability of material processing and the quality of finished products, and meet the strict requirements of protective clothing for membrane materials.

In 2025, Changzhou Hefeng Packaging Materials Co., Ltd. applied for a patent for an extrusion screw for the production of TPU self-healing film. This technology focuses on improving the extrusion processing efficiency and material properties of thermoplastic polyurethane (TPU) films, and is expected to optimize the production process of self-healing films.

In 2025, Changzhou Hefeng Packaging Materials Co., Ltd. officially applied for the national science and technology enterprise qualification. The application aims to further strengthen the scientific research and innovation capabilities of the enterprise, and promote the deep integration of technology research and industrialization. As an important participant in the field of new materials, the company actively responds to the national innovation driven development strategy by continuously improving its research and development system and enhancing its technological level.

In 2024, Changzhou Hefeng Packaging Materials Co., Ltd. will conduct research and development experiments on biodegradable and highly transparent materials, committed to developing environmentally friendly high-performance packaging materials to respond to the market's demand for green packaging.

In 2023, Changzhou Hefeng Packaging Materials Co., Ltd. launched research and development experiments on bamboo fiber degraded agricultural film materials, exploring new eco-friendly agricultural film materials with the aim of promoting the green and sustainable development of agricultural films.

In 2022, Changzhou Chengfeng Foam Co., Ltd. completed its renaming and officially changed its name to Jiangsu Chengfeng Group. At the same time, the company's successful entry into the list of listed companies marks an important step forward for the company in the capital market, demonstrating its development strength and market position.

In 2021, Hubei Shifeng New Materials Co., Ltd. established an enterprise technology center to further strengthen technology research and development and innovation system construction. The establishment of the technology center will promote the company's technological breakthroughs and achievement transformation in the field of new materials, and enhance its core competitiveness.

In 2020, Hubei Shifeng New Materials Co., Ltd. was awarded the title of "Gazelle Enterprise", indicating that the company has strong innovation capabilities and high-speed growth potential. This certification helps to enhance the market influence and capital recognition of the enterprise.