Thanks to Chris Martin's wonderful fotopic website of Olympians in HK
China Light and Power 304 (FC1714) was used by Citybus before export to the UK. For its first few weeks in service with Talsiman, Great Bromley, Essex it carried full CTB livery with HK adverts on the front and along both sides.
304 J534CEV - seen in Shenfield on 29/01/2006 on a rail replacement contract before repainted into white/ yellow and blue livery:-