... Lead Lime. 3.UL,RoHS,SGS, ISO9001:2000 4.11 years PCB experience. PCB Boards Capability Material: FR4, High TG FR4,Halogen ... Free material,CEM-3, Rogers HF material, etc. Layer counts ... mask, Non-across blind/buried vias, characteristic impedance control, Rigid-flex board etc. Reliability Test: flying probe test/fixture test ...