Founded in 1980 in Macau as a Qualified Contractor, Lai Si has participated in construction projects of all scales, contributing to the vigorous growth of the city. The ISO 9001 :2008, 1S014001 and OHSAS18001 certification for quality management system and other certifications in environmental management system and occupational health and safety management system further distinguish us from the rest and amongst our valued customers in Macau. Our recent diversification into the real estate development in the city has further taken our construction business to new heights.