Fieu Corporation Co.,Ltd. has been an importer of all types of medical apparatus and emergency rescue equipment from the US, Singapore, Taiwan, etc. and distributor of sirens, ambulances and other ambulance supplies for public and private agencies and hospitals nationwide. Its customers include Mass Rapid Transit Authority of Thailand, Don Muang Tollway Public Co., Ltd., National Health Security Office, Provincial Public Health Offices, PTT, Royal Thai Police, Royal College of Surgeons of Thailand, Phayathai Hospital and Rajavithi Hospital