After winning the first place in brand awareness of air chemical filter (unit) in 2017, Dragon Industries won this honor again with a huge advantage over the second place.

“List of HVAC equipment brands in petrochemical industry” is selected by experts of HVAC technical committee of chemical industry of China every year, which is a professional brand evaluation in HVAC industry.

Dragon Industries focus on designing and producing air filter units for more than ten years, products are widely used in Petrochemical such as Sinopec, CNPC, CNOOC, BASF and other well-known enterprises at home and abroad, mainly used to remove the poisonous and harmful corrosive gas, make indoor air is G1 level.