We believe in: Innovation is our soul and spirit. Quality is our life. Shopper need is our God for Bacterial filtration efficiency tester for medical masks, Tensile Tester With Extended Meter, Melt Flow Indexer, Standard Fiber Dissociation,Face Mask Leakage Tester. "Change for that improved!" is our slogan, which means "A better globe is before us, so let's take pleasure in it!" Change for the better! Are you all set? The product will supply to all over the world, such as Europe, America, Australia,Guatemala, Mexico,Latvia, Jeddah.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.