Acter Group Corporation Limited provides engineering services in Taiwan, Mainland China, and other Asian countries. The company offers clean room engineering services for controlling dust particles in the air and controls temperature, humidity, airflow mode, vibration, noise and other environmental factors; MEP/ HVAC services for signal transmission and feedback control methods; turnkey project services, such as design, planning, procurement, subcontracting, construction management; ventilation engineering services; temperature and humidity monitoring services; and maintenance engineering, comprising repairing, maintaining and cleaning of host equipment, air-conditioning box, and small air-feeder. It also provides environmental engineering, including organizing the effluent and exhaust systems using the pipes; processing water required by the production; preventing pollutions caused by effluent, acid gas and alkali gas produced during the process; and providing design, construction, installation, and testing services based on industry characteristics and demand. In addition, the company is involved in equipment sales, pipelines assembly, semiconductor industry automation supply, and system business contracting and design; refrigeration and air conditioning engineering and equipment installation; overseas investment holding; commissioned construction, rent, and sale of commercial buildings; automated supply system business; design and manufacture of gas cabinets, valve boxes, and liquid transport cabinets; chemical supply system business; and mechanical and electrical machinery and related equipment trading. Acter Group Corporation Limited was incorporated in 1979 and is headquartered in Taichung, Taiwan.