On August 21, 2025, Hubei Jinzhongde Technology Machinery Equipment Co., Ltd. submitted an application for an invention patent entitled "A 5-layer blown film device for medical liquid bag packaging" to the China National Intellectual Property Administration.
According to public information, the patent application involves the design of blown film equipment in the production of medical liquid bag packaging materials. The technical content mainly revolves around the multi-layer co extrusion blown film process, aiming to optimize the material structure and production process of medical liquid bag packaging.
Jinzhongde Technology was established in 2017, with its registered address in Xian'an District, Xianning City, Hubei Province. Its main business is the research and manufacturing of mechanical equipment. In recent years, the company has continued to carry out research and development in the field of film blowing and sheet processing equipment, and has successively submitted a number of invention and utility model patent applications to the China National Intellectual Property Administration.
At present, the patent application for this invention is in the process of acceptance, and the final authorization is subject to the examination results of the China National Intellectual Property Administration.
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