We have now probably the most innovative production equipment, experienced and qualified engineers and workers, regarded high quality control systems and also a friendly expert income team pre/after-sales support for MVHR, indoor air quality control system , crossflow heat exchanger , AHU heat recuperative core ,Counterflow Heat Exchanger . As an experienced group we also accept custom-made orders. The main intention of our firm is to build up a satisfying memory for all consumers, and set up a long-term win-win small business connection. The product will supply to all over the world, such as Europe, America, Australia,Chile , Portugal ,New Zealand , French .The best and original quality for spare parts is a most important factor for transportation. We may stick on supplying original and good quality parts even a little profit earned. God will bless us to do kindness business forever.