Innovation, quality and reliability are the core values of our company. These principles today more than ever form the basis of our success as an internationally active mid-size company for heat recovery core, Ventilation , Ventilation In Buildings , Commercial ventilation solution ,Holtop Industrial Air Conditioning System Solutions . If you are interested in any of our products and services, please don't hesitate to contact us. We are ready to reply you within 24 hours after receipt of your request and to create mutual un-limited benefits and business in near future. The product will supply to all over the world, such as Europe, America, Australia,San Diego , Cyprus ,Dubai , Chile .With a state-of-the-art comprehensive marketing feedback system and 300 skilled workers' hard work, our company has developed all kinds of products ranging from high class, medium class to low class. This whole selection of fine products offers our customers different choices. Besides, our company sticks to high quality and reasonable price, and we also offer good OEM services to many famous brands.