We have our own sales team, design team, technical team, QC team and package team. We have strict quality control procedures for each process. Also, all of our workers are experienced in printing field for China Screw, Pan Head Bolt , Heat Treatment Bolt , Socket Bolt ,Supply Nylon Lock Nut . We adhere to the tenet of "Services of Standardization, to Meet Customers' Demands". The product will supply to all over the world, such as Europe, America, Australia,Namibia , Wellington ,Canada , Seattle .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.