16 years' experience | 5,000sqm factory | 300 staff Over 15 Years of Experience in PCB Industry Established in 1998, Shenzhen Keyou PCB Co. Ltd is a professional high-tech factory that is engaged in manufacturing PCBs, including high-precision and high-quality single-/double-sided and multilayer (one to 26 layers), aluminum-, copper-based, high-frequency impedance, HDI and rigid-flex boards. We also produce special material boards including Rogers, Teflon, Nelco, Getek, BT...