It is a good way to improve our products and service. Our mission is to develop creative products to customers with a good experience for PCA Assembly, RF PCB , PCB Layout Design , Circuit Board Assembly , We have a big inventory to fulfill our customer's requires and needs. In order to best meet client's needs, all of our operations are strictly performed in line with our motto "High Quality, Competitive Price, Fast Service" for PCA Assembly, 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.