No matter new customer or old customer, We believe in long term and trusted relationship for large airflow energy recovery ventilation, Industrial application of AHUs , no cross contamination heat exchangers , Wall Mounted ,Basement Ventilation Central . We always regard the technology and prospects as the uppermost. We always function hard to make terrific values for our prospects and give our customers far better products and solutions & solutions. The product will supply to all over the world, such as Europe, America, Australia,Angola , Iraq ,Bangkok , Azerbaijan .We only supply quality items and we believe this is the only way to keep business continue. We can supply custom service too such as Logo, custom size, or custom merchandise etc that can according to customer's requirement.