G u Yuhua is a Chinese businesswoman whose fortune is derived from her family's ownership of Amer International Group, a massive and highly secretive private company with its core business in metals and mining. She is the wife of the company's founder and chairman, the powerful and enigmatic tycoon, Wang Wenyin. Amer is one of the largest private companies in China.

The company is a dominant player in the copper industry, with a vertically integrated business that spans from copper mining to the production of a wide range of copper-based products, like cables and wires. The group has also diversified into other areas, including technology and industrial parks. While her husband is the founder and public face of the company, Gu Yuhua is a major shareholder, and her wealth is inextricably tied to the success of this sprawling and private industrial empire.