Wo Shing Wo
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Wo Shing Wo or WSW is the oldest of the Wo Group triad societies, and is the triad with the longest history in Hong Kong. According to the Hong Kong police, the triad is involved in extortion, drug trafficking, gambling and prostitution.
Wo Shing... Wikipedia
Allies: Big Circle Gang
Founding location: Sham Shui Po, Hong Kong
Rivals: 14K; Ah Kong; Sun Yee On; Wo On Lok
Territory: Hong Kong, Macau, People's Republic of China, and Chinese communities globally