Hi friend Nice day! This is Lee from SHENZHEN TOPTEK PCB. We have our own factory and rich equipment and rich production experience. We will provide you with: High quality, good price PCB board. From single piece to bulk delivery. Rigid, flexible and rigid-flex printed circuit boards. Fast, flexible and always at your service. We looking forward for your valuable enquiry.             22-Layer Rigid IT968 material 2.4mm Board Thickness ENIG 2U” Surface treatment Line width/space: 3/3mil Green Soldermask Lee Sales manager Mobile/whatsapp：86-15118907441   skype: Toptek Lee Email：lee@toptekpcb.com      Company：Toptek PCB Site：http:www.toptekpcb.com Address：Building 4, Hedong Second Industrial state,  XinAn Street, BaoAn 49 District, Shenzhen China