2020
The Hong Kong Marathon 2020 inquires about dog defense and search dogs.

Once again invited by the Sun Hung Kai Security Department to conduct an annual test evaluation for Guo's mansion and guard dogs.

Accepted Hong Kong and China Gas Co., Ltd. for five consecutive years, invited as a leak detection consultant for Weixue (2016-present).
2019
At the invitation of Hong Kong Broadband, a lecture on "Psychological Behavior of Dogs and Prevention of Dog Bite".

At the invitation of Po Leung Kuk, a lecture on "Psychological Behavior of Dogs and Prevention of Dog Bite" was given.

Lecture on "Dog Psychological Behavior" at the invitation of East Port City, Tseung Kwan O Club House.

Accepted Hong Kong China Town Gas Co., Ltd. for three consecutive years, and invited as a micro-exhaustion of leak detection consultant.

Accepted Lan Kwai Fong Sound Department Bar to conduct investigations on prohibited products.
2018
Accept RTHK Radio's invitation to visit "Dog Psychology and Dog Bite Prevention" interview.
2017
Invited by AsiaWorld-Expo to conduct explosives search in and out of the Apink Hong Kong concert. (2017-present)

At the invitation of AsiaWorld-Expo and the organizer, Ariana Grande is a Hong Kong concert, designated as a stage and VIP room to conduct explosives search and security inspections inside and outside the venue.

At the Asia World Expo, the first meeting of Wanna one was to conduct security inspections in and out of the explosives search field.

At the invitation of AsiaWorld-Expo, security inspections on and off the site were conducted for the Apink Hong Kong concert.

Invited by China Light and Power (CLP) to give lectures on how to prevent dog bites during work.

Arena Bar for illegal product investigations. (2017-2019)

Accept the BoxFul Storage International Group to carry out contraband investigations. (2017-present)

At the invitation of the Social Welfare Department of Yuen Long, a lecture on "Psychological Behavior of Dogs and Prevention of Dog Bites" was given.

At the invitation of Green Island Cement Company Limited, a lecture on "Psychological Behavior of Dogs and Prevention of Dog Bites".

Accepted Hong Kong and China Gas Co., Ltd., invited to serve as a consultant to the dog (2017-present)

Once again invited by Rotary Club to lecture on "Working Dogs and Dog Psychological Behavior".
2016
Invited by CLP to give lectures on "How to Prevent Dog Bites at Work" in various districts.

At the invitation of Hong Kong and China Gas Co., Ltd. for the first time in Hong Kong (the first in Asia) to act as a consultant for micro-leakage detection dogs.
2015
At the invitation of the Hong Kong AsiaWorld-Expo conference, "Explosive Search" was designated for the stage.
2014
Dec At the invitation of the Hong Kong Customs (Organized Crime Investigation Branch), explain the dog's psychological behavior and how to prevent dog bites in work.

Mar Accept the Rotary Club's invitation to explain the defense dog and dog's psychological behavior.
2013
Feb Accept Languifang Beijing Club, Magnum Club, Billion Club to conduct searches for contraband. (2013 ~ present)
2011
May With the invitation of Hong Kong's Information Services Department (ISD) to explain about dog's behavior and dog bite prevention.
2010
Apr & Oct Invited by the American Mail Company to serve as an explosive detection.

Feb Designated as Sun Hung Kai's newest mansion-Tianluan-Security guard lead dog training and guard dog selection.
2009
May Rotary Club of Tsuen Wan is invited to explain the psychological behavior of defensive dogs and dogs.
2007
Dec With the invitation of Hong Kong Brands and Products Expo (HKBPE) to explain about natural dynamic training method.

May With the invitation of Food and Environmental Hygiene Department (FEHD) for the seminar of dog bite prevention in their lecture theater.

Jan With the invitation of Leisure and Cultural Services Department (LCSD) for the seminar of dog bite prevention in indoor sport ground.
2006
Nov with the invitation of Hong Kong Housing Society (HKHS) for the seminar of dog bite prevention in their lecture theater.2007 with the invitation of OSHC as the lecturer and demonstrate with dog bite prevention in 2007-2008.

Jul
with the invitation of China Light and Power Company Limited (CLP) for the seminar of dog bite prevention in CLP administration building's conference room. Afterwards, with the invitation of CLP, host seminars of dog bite prevention in each district office.

Jun
With the invitation of OSHC to prepare the essay and share the experience to worker for safety.

Apr with the invitation of Occupational Safety and Health Council (OSHC) for the seminar of dog bite prevention in Central Library's theater.

Mar The Hong Kong Housing Authority (HA), invited a lecture on "How to Prevent Dog Bites at Work" in its lecture hall.

Jan With the invitation of Hong Kong Post Office for the seminar od dog bite in all post offices within Hong Kong.