In order to give you convenience and enlarge our business, we also have inspectors in QC Team and assure you our best service and product for ASTM D5885, Bacterial Filtration Efficiency Detector, Low Temperature Impact, Zipper Top Stop Strength Test.,Pulps-Determinationofbeatingdegree. Striving hard to attain continual success determined by high quality, reliability, integrity, and complete understanding of current market dynamics. The product will supply to all over the world, such as Europe, America, Australia,Indonesia, Rotterdam,Luxemburg, Kazakhstan.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.