Our primary target will be to provide our clients a serious and responsible small business relationship, supplying personalized attention to all of them for Heat recuperative Unit, Industrial application of AHUs , heat pipe heat exchanger , air dehumidifier ,Industrial application of AHUs . We are also frequently hunting to determine relationship with new suppliers to deliver impressive and good option to our valued buyers. The product will supply to all over the world, such as Europe, America, Australia,Auckland , New Zealand ,Hanover , USA .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.