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Our main process capability as follows: double-sided, multilayer, impedance boards, blind buried plate, high-frequency board floors 2-22 layer 1. 2. minimum line width from 3 / 3mil 3. minimum diameter 0.1mm 4 Copper thickness: 0.5-12OZ 5 .. Yes / lead free, Immersion Gold, OSP, electroless nickel, silver absolute power to give you high quality, excellent prices and services customers are welcome to contact Miss Zhang single 15814733973QQ2851152103 Another of the Company undertake train service