Ir Dr Ng has made significant contributions to the development of watch and clock industry of Hong Kong over the past decades. He was the Managing Director of Silcon Electronics Co. Ltd. As the leader of the industry, his company is now renowned for its technology knowhow, product quality and trend-setting designs. Through the setting up of the Watch Manufacturer Quality Club in 1992, Ir Dr Ng actively promoted the certification of ISO9000 in the industry and contributed much for up-lifting the quality and technology of the local watch industry. During his Presidency of the Hong Kong Watch Manufacturers Association, he was instrumental in steering the establishment of Watch and Clock Technology Centre in 1997.
Ir Dr Ng has spared no efforts in community services by serving those in need and the underprivileged. He is a fervent supporter of the Lions Club activities. He also cares much about his alma mater. He has served on various advisory committees of PolyU and has played an active role in many fund-raising activities of the University. He was honoured with "Distinguished Alumni Award" by PolyU's Department of Industrial and Systems Engineering in 2012.