Our corporation puts emphasis about the administration, the introduction of talented staff, plus the construction of team building, attempting hard to improve the quality and liability consciousness of team members. Our organization successfully attained IS9001 Certification and European CE Certification of industrial centering ring, Nitrogen Sparger , Ozone Leak Detector , Stainless Steel Aeration Stone ,Sintered Filter . If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. The product will supply to all over the world, such as Europe, America, Australia,Mozambique , UAE ,Costa Rica , Cannes .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 and we will offer you competitive price list then.