[1] Ng spent time learning his trade at various clubs, including a short spell in England when he was an apprentice with Huddersfield Town and Southampton side.
In 2005, Ng Wai Chiu was a regular starter for newly promoted club Shanghai Zobon under coach Ma Liangxing.
He was named as a member of the Shanghai United team to face Primera Liga outfits Villarreal CF and Sevilla.
[3] Near the end of the 2006 Chinese Super League season, Ng Wai Chiu was selected as a member of the CSL All Stars.
[6] In the 2010–11 season, he was plagued by injuries to his knee and missed many matches with Hangzhou Greentown as well as the Hong Kong national football team.
[9] On 3 May, in the 2011 AFC Cup, Ng Wai-Chiu came on as a substitute in the away game against Persipura Jayapura and scored with a header with 4 minutes remaining.
Ng Wai Chiu also played in the 2010 East Asian Football Championship where Hong Kong lost all 3 of its matches and finished last.
Ng Wai Chiu was optimistic he would be able to play for Hong Kong in the 2014 FIFA World Cup Asian qualification matches.
[13] But in the end he missed the 2014 FIFA World Cup Asian qualification matches against Saudi Arabia due to his poor form.