No matter new buyer or old purchaser, We believe in long expression and trusted relationship for Sintered Filter, Sintered Titanium Filters , Knitted Wire Mesh , Sintered Filter Mesh ,Sinter Titanium Disc . It can be our wonderful honor to meet your requires.We sincerely hope we can cooperate along with you inside the around long term. The product will supply to all over the world, such as Europe, America, Australia,Ethiopia , Barbados ,Mali , Thailand .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.