Group 1 - Jiangdong Technology Co., Ltd., Zhongtian Technology Fiber Co., Ltd., and Jiangsu Zhongtian Technology Co., Ltd. have obtained a patent for a "fiber optic positioning device" with the authorization announcement number CN223087755U, applied on September 2024 [1] - The patent addresses issues in fiber optic production, specifically the damage caused to the fiber coating layer by dual twisting devices and the risk of fiber breakage due to shear forces in single twisting devices [1] - The new device includes a positioning wheel and a main traction device, which allows for fiber positioning and twisting while reducing additional stress on the fiber, thus minimizing polarization mode dispersion [1] Group 2 - Jiangdong Technology Co., Ltd. was established in 2015, located in Nantong, with a registered capital of 450 million RMB, and has participated in 350 bidding projects and holds 173 patents [2] - Zhongtian Technology Fiber Co., Ltd. was founded in 2002, also in Nantong, with a registered capital of 412.32 million RMB, having participated in 1,836 bidding projects and holding 337 patents [2] - Jiangsu Zhongtian Technology Co., Ltd. was established in 1996, located in Nantong, with a registered capital of approximately 3.41 billion RMB, having invested in 58 companies, participated in 5,000 bidding projects, and holds 1,830 patents [2]