Honglin is a high technology company, specialized in designing, developing, producing and marketing energy saving products for central air conditioning, HVAC as well as energy saving systems for them, not only to supply high quality low price products, but also to provide "constant temperature, constant humidity, fresh air, purification, energy saving, efficient" overall solution for large building and personal residence.Hongfeng is one of the most powerful manufacture in domestic energy saving and controls industries.Hongfeng center air conditioning energy saving controls products: room thermostat, two way and three way motorized valve, two way and three way ball valve, motorized dynamic balancing valve, modulate valve, motorized damper and butterfly valve etc.Hongfeng HVAC energy saving products: intelligent heating thermostat, intelligent manifold, mixing water temperature controls center, thermo-electric valve.Hongfeng owns 15000 square meters production base and products test center, advanced CNC machine, thermostat automation assemble line. Hongfeng has distinguished management person and high education staff, adhere to quality products is survival foundation, improve product innovation is business mindset, developing technical and human resource superiority to strive for the first-class brand in auto control industry.