Andy Chan who is a watch technician and joined Rolex in KL since 1991 . While he served in KL , he was sent to Singapore in 1992 until 1996 . During this period , Rolex provided him two months professional technical training under the Master Trainer MR Burno in Geneva . Andy Chan continued serving Rolex until 2002.Later , he joined Richemont Luxury , he was undergoing different professional technical training with well known trainers from JLC , Panerai , IWC and Cartier in Geneva from 2002 until 2011.In 2013, he was invited to join HengDeLi Group which is the largest TimePiece company in Shanghai as a technical support manager .He provided different training courses for technicians from all branches of HengDeLi group , he also manage and support the After Sales Service Department . Meanwhile , he also lead a group to attend a training course in Switzerland with different trainers from Girard-Perregaux , Carl F. Bucherer , Zenith , Tag Heuer and ETC