Associated High (AGL) was established in 2019 with a team engaged in electromechanical installation and maintenance engineering. We are also the general agent of Guangdong Shenling Environmental Protection System Co., Ltd. in Hong Kong and Macau, providing one-stop HVAC solutions for different industries. AGL has grown from a trading business in electromechanical products and equipment to a service provider providing a wide range of design, engineering, supply, construction, operation and maintenance services to public and private corporate clients.