There are dozens of directly affiliated subsidiaries, including Guangzhou Steel International Trade, Guangzhou Steel March, Guangzhou Steel Gold Industry, Guangzhou Steel March, Guangzhou Steel Hospital, Guangzhou Steel Building (Hotel), GJSS, Guangzhou Steel Pipe Company, etc.
Non-ferrous Group, one of the three major enterprises, has: Guangzhou Aluminum Factory, Guangzhou Jinbang Alloy Company, Guangzhou Copper Factory, Pearl River Copper Factory, Tengye Zinc Material, etc.
You'd better check the specific address and contact number online yourself, so I can't disclose it.