High Density Multi layer PCB Prototype Board , Prototype PCB Fabrication

High Density Multi layer PCB Prototype Board , Prototype PCB Fabrication Details: 1. One of the largest and professional PCB (Printed Circuit Board) manufacturers in China with over 500 staff and 20 years’experience. 2. All kinds of surface finish is accepted,such as ENIG,OSP.Immersion Silver, Immersion Tin, Immersion Gold, Lead-free HASL,HAL. 3. BGA,Blind&Buried Via and Impedance Control is accepted. 4. Advanced production equipment imported from Japan and Germany,such as