Along with the "Client-Oriented" enterprise philosophy, a rigorous high-quality control process, superior production products along with a robust R&D group, we constantly deliver premium quality products, exceptional solutions and aggressive costs for negative pressure ventilation, hospital ventilation system , Heat Recovery , Commercial Projects ,Energy Recovery Ventilatation . We hope to establish more business relationships with customers all over the world. The product will supply to all over the world, such as Europe, America, Australia,Czech , Puerto Rico ,Slovenia , Hanover .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.