We work in the PCB field all the time, If you have any other questions, please do not hesitate to tell us. Service Type: High Frequency/Tg&CTI PCB; Gold finger Card PCB; Power PCB(Heavy Copper up to 20OZ ); Impedance Controlled PCB, Aluminium PCB, HDI (Buried&blind via hole) PCB; Flex PCB & Rigid-Flex PCB, PCB Assembly, PCB Stencil , ect. Work Email: nina@puxipcb.com Mobile/WhatsApp/WeChat: +8617818580583