On August 19, 2025, Hubei Jinzhongde Science and Technology Machinery Equipment Co., Ltd. submitted an application for an invention patent entitled "a kind of equipment for coiling PI sheets with polyimide" to the China National Intellectual Property Administration.
It is understood that the patent application involves the design of winding equipment in the production process of polyimide (PI) sheets. The technical solution mainly focuses on improving the stability and efficiency of the winding process, aiming to provide new equipment options for polyimide material processing.
Jinzhongde Technology was established in 2017, with its registered address in Xian'an District, Xianning City, Hubei Province. It has been engaged in the research and manufacturing of mechanical equipment for a long time. Public information shows that the company has been continuously conducting research and development in the field of blown film and sheet related mechanical equipment in recent years, and has multiple patents in the application or authorization status.
At present, the patent application for the invention is still in the acceptance stage, and the final authorization shall be subject to the review conclusion of the China National Intellectual Property Administration.
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