1993 - Established Jiangsu Changheng Group Thermostat Factory, becoming the key enterprise of the Group, producing mainly thermostats for residential air-conditioners, getting the "National High Quality Award", the only enterprise who got the aw

Established Jiangsu Changheng Group Thermostat Factory, becoming the key enterprise of the Group, producing mainly thermostats for residential air-conditioners, getting the "National High Quality Award", the only enterprise who got the award in the line of business