2. Chinalco Aluminum (one of the top ten aluminum profile enterprises in China, one of the largest suppliers of alumina/electrolytic aluminum/aluminum processed materials in the world, a super-large state-owned enterprise managed by the central government, China Aluminum Group).
3. Asia Aluminum-South Asia (once won the well-known trademark of China, famous trademark of Guangdong Province, famous brand product of Guangdong Province, one of the largest aluminum products manufacturers in Asia, Asia Aluminum (China) Co., Ltd.).
4. nanshan aluminum (founded in 1978, once won famous brand products in China, well-known trademarks in China, top 500 Chinese enterprises, top 0 aluminum enterprises in China 10, and Shandong nanshan aluminum Co., Ltd.).
5. Mei Jian Aluminum Industry (China well-known trademark, once won China well-known trademark, Guangdong well-known trademark, designated enterprise for research and production of aluminum profiles for construction by the Ministry of Construction, and Guangdong Mei Jian Aluminum Profile Factory Co., Ltd.).
6. Zhensheng Aluminum (China well-known trademark, high-tech enterprise, large-scale listed company, specializing in the design and production of aluminum products, Changsha Xinzhensheng Group Co., Ltd.)
7. Xingfa Aluminum Industry (founded in 1984, it was once a famous brand product in China and a well-known trademark in China, and one of the earliest enterprises producing aluminum profiles in Chinese mainland, Xingfa Aluminum Holdings Co., Ltd.).
8. Ye Wei Aluminum Industry (a well-known trademark in China, once won a well-known trademark in China and a well-known trademark in Guangdong Province, and one of the top ten aluminum production enterprises at home and abroad, Guangdong Ye Wei Aluminum Factory Co., Ltd.).
9. Zhongwang Aluminum (once won the well-known trademarks of China, China and Liaoning, one of the largest special industrial aluminum profile mold manufacturing centers in Asia, and China Zhongwang Holdings Co., Ltd.).
10, Lv Feng aluminum (a well-known trademark in China, which has won famous brand products in China, famous trademarks in Guangdong, famous brand products in Guangdong, high-tech enterprises in Guangdong and Lv Feng aluminum co., ltd. in Guangdong).