The corporation keeps to the operation concept "scientific management, superior quality and performance primacy, consumer supreme for 300cmh ERV, HVAC AHUs , negative pressure airflow , AHU core ,HEAT EXCHANGER . Our products are new and old customers consistent recognition and trust. We welcome new and old customers to contact us for future business relations, common development. Let's speeding in the dark! The product will supply to all over the world, such as Europe, America, Australia,Amsterdam , Los Angeles ,Comoros , Kazakhstan .In order to meet our market demands, we have paied more attention to the quality of our products and services. Now we can meet customers' special requirements for special designs. We persistently develop our enterprise spirit "quality lives the enterprise, credit assures cooperation and keep the motto in our minds: customers first.