With a positive and progressive attitude to customer's interest, our enterprise continually improves our products excellent to meet the wants of customers and further focuses on safety, reliability, environmental requirements, and innovation of Electronic Circuit Board Assembly, SMT PCBA , Multilayer Stac Up PCB , Black Solder Mask PCB , We imagine we'll become a leader in building and producing high quality products in equally Chinese and international markets. We hope to cooperate with a lot more friends for mutual added benefits. We always continually provide you with the most conscientious customer service, and the widest variety of designs and styles with finest materials. These efforts include the availability of customized designs with speed and dispatch for Electronic Circuit Board 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.