Hi manager, Good day! This is Anne from Shenzhen JinShengDa Electronics & Technology Co.,Ltd. Do you need printed circuit boards? We are printed circuit board manufacturer providing rigid board, flexible board and rigid-flex board. Our strenghs as follow: 1.Quick response, we will reply Customer's enquiry within 1 hours; 2.Board thickness VS drill size: 12:1 3.Line width/spacing: 2.5/3mil 4.Min hole size: 0.1mm(laser drilling） Contact with us if you have any questions. Thanks and best regards, Anne TEL：0086-075523593797 Email: Anne@jsdpcb.com WEBSITE: http://www.jsdpcb.com