Chau is the founder and CEO of Suncity, the largest junket operator in Macau.

[2]: 303 Chau is a former member of the Chinese People's Political Consultative Conference's Guangdong Provincial Committee.

[2]: 302  The arrest warrant was based on allegations of illegal cross-border casino operations and money laundering.

[2]: 302  Within a week of Chau's arrest, Suncity closed all of its VIP rooms in Macau.

[2]: 302 He was convicted in January 2023 of leading a criminal syndicate, and running illegal gambling and fraud operations, and sentenced to 18 years in prison.