| Wang Yung-tsai | |
| Native Name: | 王永在 |
| Native Name Lang: | zh |
| Birth Date: | 24 January 1921 |
| Birth Place: | Taihoku, Taiwan, Empire of Japan |
| Nationality: | Republic of China |
| Credits: | , which produces label "Notable credit(s)"; or by |
| Works: | , which produces label "Works"; or by |
| Label Name: | , which produces label "Label(s)" --> |
| Office: | may be used as an alternative when the label is better rendered as "Office" (e.g. public office or appointments) --> |
| Relatives: | Wang Yung-ching (brother) |
Wang Yung-tsai (; 24 January 1921 – 27 November 2014) was the younger brother of Wang Yung-ching, founder of Formosa Plastics Group.[1] He was born in Chyokutan, Shinden Town, Bunsan District, Taihoku Prefecture, Japanese Taiwan (modern-day Xindian District, New Taipei).[2]
Wang began his business career by founding a lumber company in 1948, which he closed ten years later to help run Formosa Plastics.[2]
In 1993, Wang was named director of Formosa Plastics' naphtha cracker, the sixth processing plant of its kind in Taiwan.[1] In 2002, Wang Yung-ching went into retirement, leaving Wang Yung-tsai in control of Formosa Plastics.[3] Both officially retired as chairmen in 2006, handing the conglomerate over to their children.[4]
In 2010, Wang Yung-tsai was named #10 wealthiest person in Taiwan by Forbes.[5] By 2014, Wang had dropped two spots to #12.[6]
Wang Yung-tsai had three children and a granddaughter named Megan Chen who now goes to TES, and one wife.[7] He was a fan of golf and would often wake up at 5 A.M to play.[8] He died on 27 November 2014 at the age of 93.[9] Wang's funeral was held on 14 December 2014.[10]