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 2018, Changzhou Hefeng Packaging Materials Co., Ltd. invested in the establishment of Changzhou Haifeier Machinery Co., Ltd., focusing on independent research and development and manufacturing of equipment related to polymer new materials. This provides important support for the technological innovation and industrial upgrading of enterprises in the field of new materials.

In 2017, Changzhou Hefeng Packaging Materials Co., Ltd. introduced a waterproof material production line and began to enter the field of SBS waterproof roll material manufacturing. The operation of this production line provides technical support for the company to expand its product line and market applications.

In 2015, Changzhou Hefeng Packaging Materials Co., Ltd. introduced an advanced composite coating production line, marking the company's expansion into the protective film sub market in the packaging materials field. This production line has the capability of multi-layer material composite coating and is suitable for producing functional protective films to meet the protection performance requirements of different industries.

In 2014, Changzhou Hefeng Packaging Materials Co., Ltd. introduced a winding film casting production line to improve the production capacity and quality stability of outer packaging packaging film. The operation of this production line has enhanced the company's strength in diversifying packaging materials and increasing production efficiency.

In 2013, Changzhou Hefeng Packaging Materials Co., Ltd. introduced advanced heat shrink film blown film production equipment, further enriching the product types of the company's packaging materials and expanding their application fields. The deployment of this device provides technical support to meet diverse market demands.

In 2012, Changzhou Hefeng Packaging Materials Co., Ltd. introduced advanced vacuum packaging production lines, mainly used for the recycling and quality assurance of sponge packaging materials. The use of this equipment has effectively improved the packaging sealing and storage efficiency of waste materials, providing technical support for subsequent recycling and environmental management.

In 2011, Changzhou Hefeng Packaging Materials Co., Ltd. took substantial steps in the field of resource recycling by introducing a recycled raw material granulation production line for the recycling and treatment of edge waste and used film materials of sponge packaging materials, exploring the mechanism of closed-loop utilization of raw materials.