Doo Prime’s Owner Windson Chan Has Long Been Wanted and Has Immigrated to Vanuatu, Unable to Return to Mainland China Doo Prime Moves Office to Escape Troubles in Hong Kong Industry insiders are aware that Doo Prime faced significant trouble this year, with clients protesting in Hong Kong at the company’s original office: UNIT A, 25/F, BLOCK B, BILLION CENTRE, 1 Wang Kwong Rd, Kowloon Bay. The owner, Windson Chan, originally from Shenzhen’s Bao’an District, found the situation intolerable and decided to refund clients' funds.