Hunan LINGTIAN science and technology limited company is the Hunan Province high technology and new technology enterprise. The specialty is engaged in the heat energy to pass and the pure air conditioning product, the low temperature product development production warmly, including the heat pump central air conditioning, the water cooling cold water unit, the cabinet type air conditioning unit, the combined air conditioning unit, the air purifies, the overlapping type refrigeration unit, changes the switching equipment, the automation control system and the engineering design, the production, the installment and so on the comprehensive service. The company has the front scientific research technology and the equipment, has the formidable scientific research development and the sale and the post-sale service troop, and already through the ISO9001:2000 quality control system authentication and "CCC" the authentication, may for each kind of work, the guesthouse, the housing and so on professions and so on civil construction and textile chemical fiber, tobacco, medicine health, food drink, astronautics aviation and scientific research teaching provides the high grade equipment and the project technical service.