Sun Yee On (Chinese: 新義安; Jyutping: san1 ji6 on1; Cantonese Yale: sān yih ōn), or the New Righteousness and Peace Commercial and Industrial Guild, is one of the leading triads[2] in Hong Kong and China.
Mainly through ethnic Chinese diaspora, it is thought to extend to the United States, Canada, Thailand, Australia, South Africa and Central America.
[4] Heung Wah-yim professed his innocence throughout the trial, claiming to be the president of a local chapter of the Lions Club and that the list found in his office consisted of potential donors.
On 20 January 1988, the jury found five of the defendants guilty, including Heung Wah-yim who was sentenced to seven and a half years in prison, acquitting the sixth.
Tai Hau, leader of another Sun Yee On faction active in Tuen Mun, tried to encroach upon Lee's West Kowloon and Tsim Sha Tsui operations.