We try for excellence, service the customers", hopes to be the most effective cooperation workforce and dominator company for staff, suppliers and shoppers, realizes price share and ongoing marketing for Commercial Heat Recovery Unit, industrial air handling units , fresh air recuperative ventilation , no cross contamination heat exchangers ,heat recovery ventilation . Our firm quickly grew in size and reputation because of its absolute dedication to superior quality manufacturing, substantial price of solutions and fantastic customer services. The product will supply to all over the world, such as Europe, America, Australia,Estonia , Turkey ,venezuela , Suriname .The design, processing, purchasing, inspection, storage, assembling process are all in scientific and effective documentary process , increasing usage level and reliability of our brand deeply, which makes us become superior supplier of the four major product categories shell castings domestically and obtained the customer's trust well.