Our personnel are always inside the spirit of "continuous improvement and excellence", and together with the outstanding excellent goods, favorable price and good after-sales services, we try to gain every customer's trust for HVACs, HEPA Filter , Air Sterilization , AIR TO AIR HEAT EXCHANER ,Holtop Industrial Air Conditioning System Solutions . If you are interested in any of our products or would like to discuss a customized order, please feel free to contact us. The product will supply to all over the world, such as Europe, America, Australia,Adelaide , Johannesburg ,Iraq , Libya .We welcome you to visit our company & factory and our showroom displays various products and solutions that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to supply you with the best services. If you will need more information, please do not hesitate to contact us via E-mail, fax or telephone.