Man Shun Group (Holdings) Limited, an investment holding company, engages in the installation of heat, ventilation, and air-conditioning (HVAC) systems in Hong Kong. The company offers electrical and mechanical engineering services that include installation of HVAC systems. It primarily serves residential property development projects as a first-tier or second-tier subcontractor. The company was founded in 1996 and is headquartered in Tsuen Wan, Hong Kong.