Construction of Heating, Ventilation and Air-conditioning (HVAC) System is our major core business. The majority of our current and previous jobs consist of design and installation of central air-conditioning system and mechanical ventilation system together with some air-side fire services systems such as V/AC control, smoke extraction and staircase pressurization system. We involved in HVAC System installation in some iconic skyscraper construction projects such as Central Plaza, 2IFC and ICC/Ritz Carlton Hotel. We also involved in those HVAC System installation in some remarkable commercial developments in both Hong Kong and Macau such as One Bay East, Kerry Centre, Royal Plaza Hotel, Residential Development in Olympic Station, Grand Yoho, Park Yoho and Macau Studio City, etc.