Bloomberg Billionaires Index

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# 410 Yeung Kin-Man $5.97B

Random fact: Isn't religious, but doesn't deny the existence of higher beings.


Yeung is the chairman of Biel Crystal Manufactory, a closely held supplier of mobile phone touch screens. The Hong Kong-based company makes phone and watch covers for Apple, Samsung and other device makers. It employs more than 70,000 people and had revenue of about HK$30 billion ($3.8 billion) in 2021.

As of :
Last change No change
YTD change +$498M ( +9.1%)
Biggest asset Biel Crystal
Country / Region Hong Kong
Age 58
Industry Technology
View net worth over:   Max 1 year 1 quarter 1 month 1 week

Relative Value

Yeung Kin-Man's net worth of $5.97B can buy ...

troy ounces of gold
barrels of crude oil

... and is equivalent to ...

of the GDP of the United States
of the total wealth of the 500 richest people in the world
of the top 100 U.S. college endowments
of the top 200 U.S. executives’ total awarded compensation
of U.S. existing home sales
times the median U.S. household income

Latest News

Net Worth Summary

Private asset
Public asset
Misc. liabilities
Confidence rating:

The majority of Yeung's fortune is derived from his control of Biel Crystal Manufactory, a supplier of glass touch screens for smartphone makers such as Apple, Samsung and LG. It has more than 74,800 employees, according to its prospectus for initial public offering in January 2022.

He owns Biel through a trust with his wife Lam Wai Ying, according to the prospectus. The family fortune is credited to Yeung to reflect his status as Biel’s founder and chief executive officer.

Biel Crystal had revenue of HK$29.9 billion ($3.8 billion) in the year to March 31, 2021, according to the prospectus. Revenue for calendar 2021 is not disclosed but calculated to be about HK$30 billion based on the reported amount for the six-months to Sept. 30. 2021. The company is valued using the revenue and the enterprise-value-to-sales and price-to-earnings multiples of four publicly traded peers: Zhejiang Firstar Panel Technology, Holitech Technology, Ofilm Group Co. and Wuhu Token Science Co.

Biel Crystal didn't respond to requests for comment on Yeung's net worth.


Family: Married, 3 children

Yeung Kin-Man was born and raised in Hong Kong. He didn't obtain a university degree before starting his first company, a watch glass maker, in the 1980s.

His company, Biel Crystal, began producing smartphone cover glass in 2003 after receiving its first order for 1 million screens from Motorola. Biel Crystal became a cover-glass supplier to Apple in 2007 when the company introduced the iPhone.

By 2021, it had more than 2 million square meters of production space at its China manufacturing facilities, and employed more than 120,000 workers.

  • 1988 Opens first factory in Shenzhen producing watch glass.
  • 1998 Company acquires ISO 9002 Certification.
  • 2001 Starts mass production of phone cover glass.
  • 2003 Starts producing cover glass for Motorola's Razr phones.
  • 2007 Becomes cover-glass supplier for Apple's Iphone.
  • 2008 Starts producing Notebook Cover Glass.
  • 2014 Launches joint venture with Roshow Technology to produce sapphire products.
  • 2015 Donates HK$200 million to City University of Hong Kong.
  • 2017 Bought mansion in exclusive Peak neighborhood for $360 million