With this motto in mind, we've got become among essentially the most technologically innovative, cost-efficient, and price-competitive manufacturers for Patient Ventilation Support, Sintered Bronze Filter , Metal Screen Filter , Oxygen Stone ,Porous Stainless Steel Discs . We have expanded our business into Germany, Turkey, Canada, U. S. A. , Indonesia, India, Nigeria, Brazil and some other regions of the world. We are working hard to be one of the best global suppliers. The product will supply to all over the world, such as Europe, America, Australia,Nicaragua , Greenland ,Buenos Aires , Albania .Our faith is to be honest first, so we just supply high quality products to our customers. Really hope that we can be business partners. We believe that we can establish long time business relationship with each other. You can contact us freely for more information and pricelist of our products !