"Based on domestic market and expand overseas business" is our development strategy for Ventilation, air conditioning syestem , Heat recuperative Unit , HVAC Unit ,ventilation system for hospital . All the time, we have been paying attention on all details to insure each product satisfied by our customers. The product will supply to all over the world, such as Europe, America, Australia,belarus , Philippines ,Bangalore , Russia .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.