2017 wholesale pricePcb Bare Board - Competitive Price for 21 Years Experience Pcb Printed Circuit Board In Shenzhen – Yongmingsheng

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The consumer gratification is our primary concentrate on. We uphold a consistent level of professionalism, top quality, credibility and repair for Pcb, Pcb Circuit Board, Printed Circuit Board, With the goal of “zero defect”. To care for the environment, and social returns, care employee social responsibility as own duty. We welcome friends from all over the world to visit and guide us so that we can achieve the win-win goal together.
        Nickel: Hard Gold

　　▪　Usual thickness: 0.7 µm (0.00003”) to 1.3 µm (0.00005”) gold (99.7%) over 5.0

　　▪　µm (0.0002”) nickel or 0.2 µm (0.000008”) to 0.3 µm (0.00001”) gold (99.7%) over

　　▪　5.0 µm (0.0002”) nickel for a solderable surface

　　▪　Very good for corrosion resistance

　　▪　Rated at 130-220 Knoop hardness

　　▪　Very good wear resistance

　　▪　Excellent for surface rotary switches, on-off contacts, and edge connectors

　　▪　Very good shelf life