We've our have sales staff, style and design staff, technical crew, QC team and package workforce. We've strict excellent control procedures for each system. Also, all of our workers are experienced in printing field for adapter board, Corsair Cxm 750w 80 Bronze , Bitmain Ant Miner D3 19.3 G, Hp 750w Power Supply ,Quiet Flex Psu . We warmly welcome mates from all walks of life to hunt mutual cooperation and develop a more good and splendid tomorrow. The product will supply to all over the world, such as Europe, America, Australia,Australia, Pakistan,Bandung, Vietnam.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.