FUJIAN ELEX ENERGY-SAVING EQUIPMENT CO.,LTD is a high technology enterprise devoting to the R & D, design, production and sales of HVAC products. Aiming at energy saving, environmental protection and health since the establishment on 1999, FUJIAN ELEX ENERGY-SAVING EQUIPMENT CO., LTD created the brand Elsonic by persisting in combining the advanced energy saving and environmental protection technology of home and abroad with independent research and development, and became the largest supplier of HVAC automation control products in China.