Hi,I am a pcb supplier from China.I would like to establish bussiness relationship with you.YWPCB is expert in producing quick turn and medium sized lot batch of high precise circuit boards. We can produce the PCBs up to 30 layers, our products type including HF(High Frequency) & RF(Radio Frequency), HDI board, Impedance controlled board, Thick copper(up to 12 OZ)  board, Thick gold boards (up to 160U'')and etc. The fastest lead time for double side board can be done within 24 hours, for 4-8 layers board it is 2-5 days.My 、