This project has undergone preliminary research and development by the company and its partners. The pilot-scale machinery and system related to the “high-efficiency and energy-saving preparation of new nylon yarn production” involved in the project has been designed and prepared, and has been in cooperation with Huaian Xinjia Nylon Co., Ltd. The cooperation center of Huaiyin Institute of Technology has formed a pilot production line. The pilot commissioning has been completed. The pilot scale production and research are currently underway. The pilot production line has been used to produce PA610 white nylon yarn and PA6. /PA610 medical suture product . At present, the production line has passed the environmental impact assessment of relevant municipal departments , and the related products have been identified as high-tech products by the Huai’an Science and Technology Burea