|1970||Represented Hong Kong in the First World Karate-Do Championship|
|1974||Champion of Hong Kong Goju-Kai Association Karate-Do Championship.|
|1974||Represented Hong Kong in the First International Karate-Do Invitational|
Championship (Philippines) and obtained three trophies.
|1974||Appointed by the Hong Kong Karate-Do Goju-Kai Association as full|
|1976||Referee of the Second Asia Pacific Karate-Do Championship (Jakarta,|
|1978||Coach of the Hong Kong team in the 3rd Asia Pacific Karate-Do Championship|
( Hong Kong obtained a 3rd place in the team kumite).
|1981||6th place in the Kata competition of the All Japan Goju-Kai Karate-Do|
|1987||Founded the Karate-Do Goshin Kan.|
|1992||Coach of Hong Kong team in the Karate-Do Invitational Championship|
hed in Bangkok, Thailand. (The Hong Kong team won one Gold medal,
two Silver medals and two Bronze medals on that occasion)
|1993||Team leader of Karate-Do Goshin Kan in the International Karate-Do|
Championship organized by the International Karate-Do Goju-Kai Association
in Chiba, Japan and served as Referee.
|1994||Appointed by Hanshi Goshi Yamaguchi of International Karate-Do Goju-Kai|
Association as Director of Hong Kong Branch.
|1999 ~ 2006||Vice-chairman, General Committee and Referee Council Chairman of HKAKA.|