Mr Lam is the co-founder and Managing Director of Associated Medical Supplies Company Limited (AMS). AMS was established in 1981 with its Head Office in Hongkong and branches in China. AMS is specialized in bringing in niche medical devices and reference instruments made in the USA and Europe for various disciplines for distribution in the Greater China Region. AMS is also engaged in distribution of pharmaceuticals, biologics, re-agents and medical disposables. Taking advantage of the unique geographical position of Hongkong AMS also acts as Regional Service Centres for its principals. AMS is ISO9001 certified and one of its subsidiaries in Hongkong holds ISO13485 certificate for development and production of point-of-care rapid diagnostic test instruments. An affiliated company of AMS develops and produces biologics for the research markets in the USA and Europe.