The company is a large, modern, professional and high-tech enterprise integrating the R & D, design, manufacture, sales, installation and technical service of central air conditioning products. To establish a long-term cooperation agreement with the national Chinese Academy of building air conditioning products supervision and inspection center, through the ISO9001 international quality system certification and ISO14001 international environment system certification, ISO18000 international occupation health and safety management system certification. The ERP management system is established. OA office automation system. Nathan air conditioning has a national air enthalpy difference lab, the national ground source heat pump and water chiller laboratory, national wind pipe, air valve leakage test room. It is the largest manufacturer of low temperature air heater and low temperature air energy heat pump water heater in North china