|Founding location||United States, Hong Kong, Australia, Canada|
|Territory||Hong Kong, Guangzhou, Malaysia, United States, Canada, Australia|
|Criminal activities||Racketeering, Murder, drug trafficking, intimidation, extortion, money laundering, contract killing|
|Rivals||Bloods, Crips, Piru Street Boys, East Side Longos, 14K Triad|
Tai Huen Chai (大圈仔), Big Circle Boys, started as illegals from mainland China who illegally entered Hong Kong using tire inner tubes. They were given the moniker (大圈仔).
Once in Hong Kong, without the proper identification allowing them to work they turned to a life of crime.
The Big Circle Boys is a street gang based in Hong Kong. They were originally composed of illegal mainland Chinese who illegally entered Hong Kong using tire inner tubes.
The name Big Circle Boy is a reference to the round inner tubes they used to float across the river into Hong Kong.