Wang Wenyin (Chinese: 王文银, born 1968) is a Chinese businessman and chairman of Amer International Group, a Chinese company that produces cable and copper products.
The majority of Wang’s fortune is derived from his control of Amer International Group, the closely held copper miner and processor he founded in 1994. The company is 90% owned by Wang and 10% by a sibling about whom little is known.
Amer had revenue of about $112 billion and stockholder equity of $19.6 billion in 2022, according to a Fortune Global 500 ranking. The base valuation is calculated based on the reported equity value and this is adjusted to reflect changes in the BI Global Copper Competitive Peer Group index.Wang also owns a 26% stake of publicly-traded Jiangsu Jiuding, according to a June 22, 2023 filing. About three-fifths of his stake is pledged and removed from the calculation. He acquired the stake in November 2019, according to a company disclosure.The billionaire also owns property assets through Singapore-based investment company, Wen Way. These are valued at their purchase price in 2013, according to its website. The costs of Wen Way’s land acquisitions and industrial parks construction in China are included as liabilities.Fan Xinlan, a spokesperson for Amer, declined to comment on the billionaire’s net worth.
Biography
Wang Wenyin was born in Anqing, a city in the Chinese province of Anhui, on March 2, 1968, according to filings with the UK’s Companies House. He set up miner and copper processor Amer International Group in 1994. Nine years later, the company opened a 1,000-acre copper wire manufacturing site in Shenzhen, China, which is one of six factories in the city today, according to the company’s website.
More plants followed, including a copper mine in Ganzhou and a processing park in Quanwei in 2005. The group opened an industrial park focused on computer chip design in 2011, and also is investing in polyimide production.
Awin Resource, a metal trader that had revenue of $4.5 billion in 2013, was established in Singapore in 2011. The billionaire’s real estate investment company, Wen Way, bought 22 retail units in Singapore in 2013.
Wang, who lives in Shenzhen, according to UK filings, is married to Liu Jiehong, who is managing director of Amer.
Career
He has multiplied Amer International Group’s mines and factories and has influenced his company in the Communist Party in attempt to challenge the dominance of China’s state-owned giant corporations. It was reported in March 2014 that Wang Wenyin planned to set up a company in Singapore to expand the trading of metals and to purchase global mining assets. As of 25 June 2015, Wang Wenyin was ranked number 125 on Forbes’ list of global billionaires with a net worth of $15 billion, and the 8th richest man in China.
Milestones
- 1968 Wang Wenyin is born in China’s Anhui province.
- 1971 Wife Liu Jiehong is born.
- 1994 Establishes Amer International Group.
- 2003 Opens 1,000-acre copper wire manufacturing site in Shenzhen, China.
- 2009 Copper processing begins at Amer’s plant in Tongling City, China.
- 2010 Buys world’s largest copper rod production equipment.
- 2011 Creates Singapore-based metal trader Awin Resource.
- 2011 Sets up semiconductor subsidiary to create cluster in Chizhou, China.
- 2012 Establishes real estate investment company Wen Way Investments.
- 2013 Purchases retail units in Singapore for $105 million.


