主营产品:Special water boilers for universities, middle schools, primary schools, kindergartens, office buildings, direct drinking water boilers for enterprises and units, energy-saving water boilers for government agencies, hospitals, troops, teahouses, factories and other places
主营产品:Central ventilation systems, fresh air ventilation equipment, air handling equipment, circulating water system equipment, fans, air ducts, air curtains, heat exchangers, heat recovery systems, ventilation and window technology;