To create extra value for customers is our enterprise philosophy; buyer growing is our working chase for 300cmh ERV, AHU heat recovery section , Total Heat Exchanger , hospital air ventilation ,Ventilation In Buildings . As we are moving forward, we keep an eye on our ever-expanding product range and make improvement to our services. The product will supply to all over the world, such as Europe, America, Australia,Norway, Eindhoven,Slovenia, kazakhstan.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.