... ,best quality, prompt delivery & best service PCBA,Clone PCBA ,PCB Assembly for electrical equipment Layer count:4-20;material: FR-4 ;Thickness ... % quality tested before shipment3.ROHS ISO9001:2000 TS16949 SGS UL4.Full-House RoHS compliance5.Competitive/low/reasonable Price,High Quality6.OEM ... after-sale service8.Trade terms:EXW PCBA,Clone PCBA ,PCB Assembly for electrical equipment