Group 1 - The core viewpoint of the news is that Nanjing Guanshi Technology Co., Ltd. has applied for a patent for a multi-functional tension control platform and method based on circular cutting, which aims to improve the precision and stability of tension control during the circular cutting process [1] - The patent application was filed on June 2025, and the publication number is CN120353123A, indicating the company's ongoing innovation in control technology [1] - The technology involves real-time synchronization of tension values and operational status through tension sensors and floating roller devices, utilizing a PID controller for dynamic tension correction [1] Group 2 - Nanjing Guanshi Technology Co., Ltd. was established in 2002 and is located in Nanjing, primarily engaged in professional technical services [2] - The company has a registered capital of 73.609361 million RMB and has invested in 9 enterprises, participated in 6 bidding projects, and holds 91 patents [2] - Additionally, the company has 11 trademark registrations and 77 administrative licenses, showcasing its active engagement in intellectual property and business operations [2]