Now we have highly developed devices. Our items are exported towards the USA, the UK and so on, enjoying a great popularity among the customers for HRVs, ventilation at hospital , air handing system , air conditioning syestem ,Cleanroom heat exchanger . Striving hard to attain continual success determined by high quality, reliability, integrity, and complete understanding of current market dynamics. The product will supply to all over the world, such as Europe, America, Australia,California , kazan ,Netherlands , Austria .We warmly welcome your patronage and will serve our clients both at home and abroad with products of superior quality and excellent service geared to the trend of further development as always. We believe you will benefit from our professionalism soon.