We can normally fulfill our respected consumers with our great excellent, great value and good provider due to we're much more specialist and extra hard-working and do it in cost-effective way for Hospital use heat exchanger, industrial air handling system , Ventilation System Design , Industrial Projects ,ventilation at hospital . All products come with good quality and perfect after-sales services. Market-oriented and customer-oriented are what we have been being after. Sincerely look forward to Win-Win cooperation ! The product will supply to all over the world, such as Europe, America, Australia,Puerto Rico , Rotterdam ,Nigeria , Colombia .We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information if you have any questions. We are glad to work for every client.