It can be our duty to satisfy your preferences and successfully serve you. Your pleasure is our best reward. We have been looking forward to the go to for joint expansion for Immersion Gold Surface PCB, Smt PCBA , Fr4 PCB , Single And Double Layer PCB , Our enterprise insists on innovation to promote the sustainable advancement of organization, and make us become the domestic high-quality suppliers. We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for Immersion Gold Surface PCB, 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.