The key to our success is "Good Products Good quality, Reasonable Value and Efficient Service" for 4 Layer PCB, געפֿירט ליכט פּקב ברעט , שטרענג ספּאָרט פּרינטעד סירקויט באָאַרדס , Flexible פּרינטעד סירקויט באָרד , All prices depend upon the quantity of your order; the more you order, the more economical the price is. We also offer good OEM service to many famous brands. Adhering into the basic principle of "quality, assistance, effectiveness and growth", we have attained trusts and praises from domestic and worldwide client for 4 Layer PCB, We have established long-term, stable and good business relationships with many manufacturers and wholesalers around the world. Currently, we are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more details.