... Capability for PCB Board1). Material type: CEM-3,FR-4,FR-4- TG170/TG180, Halogen Free,Rogers,Arlon,Taconic,Isola,PTFE ... tolerance: Routing:±0.1mm,Punching:±0.1mm13. Hole tolerance: PTH: ±0.076mm , NPTH: ±0.05mm14. impedance control tolerance: ±10%15. Warp and Twist: <0.75%16 ... ,ISO14001,ROHS 20. We have a sound quality management system,Ensure the qualiy of all productsExcellent quality with Low-cost ...