repeat off update required to play the media you will need to either update your browser to a recent version or update your flash plugin . col limited col is a leading it services company in hong kong with over 40 years of experience offering a full range of it infrastructure and application services to our customers . wharf t & t ebusiness limited established in january 2007 wharf t & t ebusiness limited web a subsidiary of wharf t & t limited specialises in the provision of broadband enabling applications and web based application services . online customer services manage your account check your bill service request highlights career opportunities exciting positions and energized environment webmail account contact us customer services hotline 121 000 email copyright . wharf t & t limited . site map privacy policy contact us related companies user guide this site is best viewed at 1024x768 screen resolution with internet explorer 8.0 or above .