To fulfill the customers' over-expected fulfillment , we have now our solid staff to deliver our greatest general assistance which includes internet marketing, product sales, creating, manufacturing, excellent controlling, packing, warehousing and logistics for Enthalpy wheel, Basement Ventilation Central , condensing air exhaust air handling system , heat recovery ventilation ,ALU HEAT EXCHANGERS . We have now designed a reputable track record among many shoppers. Quality&customer initially are normally our constant pursuit. We spare no attempts to produce greater solutions. Stay up for long-term cooperation and mutual positive aspects! The product will supply to all over the world, such as Europe, America, Australia,Hungary , Zambia ,Mauritius , Karachi .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.