LEF ELECTRONICS CO.,LIMITED.The China\'s leading manufacturer of printed circuit boards (PCBs/Leiterplatten/§±§Ö§é§Ñ§ä§ß§í§Ö §á§Ý§Ñ§ä§í/Sur circuit imprim¨¦/Circuito stampato/Kretskortet...).With years of experience, LEF have best price in prototype and reasonable price in 1-32 layer batch orders. 100 dollars for 2 layer sample in 2-4 days, 200 dollars for 4 layer sample in 3-6 days, 300 dollars for 6 layer sample in 4-8 days.