Woochart Technology Co,Ltd. was found in year of 2001 and specialized in the manufacturing of high-precision, high-density and high-reliability PCB, such as: Rigid and Flexible PCB(2~12)layer, Ball Grid Array(BGA)Boards, Flexible(1~4)Boards, Double sided&Multilayer Boards, SMD Boards, Hard Gold PCB,aluminium PCB,HDI.... Types of surface finishing include: HASL, Lead free HASL, Flash Gold, immersion Gold,thickness gold/copper, Peelable mask, Gold-finger, carbon ink, Entek...All of our products are consistent with European RoHs requirement, also get the certification of UL and ISO9001.