PRINTED WIRING BOARD 1) UL, ROHS 2) MARKET: ASIA, EUROPE, AMERICA 3) PERFECT QUALITY, COMPETITIVE PRICE, COMFORTABLE SERVICE PRINTED WIRING BOARD1) UL, ROHS2) MARKET: ASIA, EUROPE, AMERICA3) PERFECT QUALITY, COMPETITIVE PRICE, COMFORTABLE SERVICE4) Type of solder mask: photo imaginable solder resistant in different colors