Group 1 - Guangdong Xingfa Aluminum Co., Ltd. and its subsidiaries have obtained a patent for a "double-hung movable bridge side-press sliding window," with the authorization announcement number CN119572105B, applied on November 2024 [1] - Guangdong Xingfa Aluminum Co., Ltd. was established in 2006 in Foshan, focusing on non-ferrous metal smelting and rolling processing, with a registered capital of 360.04 million RMB [1] - Guangdong Xingfa Precision Manufacturing Co., Ltd., established in 2017, also focuses on non-ferrous metal smelting and rolling processing, with a registered capital of 200 million RMB [1] Group 2 - Guangdong Xingfa Aluminum (Jiangxi) Co., Ltd., founded in 2009 in Yichun, has a registered capital of 100 million RMB and focuses on non-ferrous metal smelting and rolling processing [2] - Guangdong Xingfa Aluminum (Henan) Co., Ltd., established in 2010 in Jiaozuo, has a registered capital of 100 million RMB and primarily engages in metal products [2] - Xingfa Aluminum (Chengdu) Co., Ltd., founded in 2009 in Chengdu, has a registered capital of 130 million RMB and focuses on metal products [2] Group 3 - Xingfa New Materials (Zhejiang) Co., Ltd., established in 2022 in Huzhou, has a registered capital of 200 million RMB and focuses on metal products [2] - The companies have participated in various bidding projects, with Guangdong Xingfa Aluminum Co., Ltd. involved in 556 projects, Guangdong Xingfa Precision Manufacturing Co., Ltd. in 27 projects, and others with varying participation [1][2] - The companies collectively hold a significant number of patents and administrative licenses, indicating a strong focus on innovation and compliance [1][2]