The managing director of Lions C.G.A. Building Materials Limited is a reputable person in the industry of Construction Chemical for more than 20 years and is a well experienced specialist in supply of construction chemicals for various building and civil projects in Hong Kong and China, such as airports, manufacturing plants, highways, tunnels, sewage treatment plants, flyovers, etc. He started to concentrate on development of cement grinding admixture in China since 2003, and the self developed cement grinding admixture from Lions C.G.A. has been being widely used in various well known cement plants in China.