... Aluminium Base, Cooper Base, high frequency material ,Thick copper foil, 94-V0(HB), PI Material, High TG:SL S1000-2,ITEQ: ... IT180.3. Surface treatment: HASL, HAL LF, Immersion Gold, Immersion Tin ... high quality. strict test through AOI (Automated Optical Inspection),QA/QC, Flying Proble Test, E-test fixture. PCBHigh precision prototypePCB bulk ...