Group 1 - The State Intellectual Property Office of China has published a patent application by Xianning Nanfang Energy-Saving Glass Co., Ltd. for a "high-sealing hollow glass and its preparation method," with publication number CN120273606A and application date of April 2025 [1] - The patent describes a high-sealing hollow glass that includes a hollow glass body and a sealing body bonded around it, featuring two glass substrates and two layers of sealing glue, which enhances durability, thermal insulation, and flatness [1] - Xianning Nanfang Energy-Saving Glass Co., Ltd. was established in 2014, has a registered capital of 215 million RMB, and has participated in 52 bidding projects with 216 patent records [1] Group 2 - China Southern Glass Group Co., Ltd. was founded in 1984, located in Shenzhen, with a registered capital of approximately 3.07 billion RMB [2] - The company has invested in 50 enterprises, participated in 201 bidding projects, and holds 2,233 patent records [2] - Additionally, China Southern Glass Group has 120 trademark records and 6 administrative licenses [2]