What is your PROCESS FLOW for quality of PCB assembly? December 3, 2020 By Wellerpcb Team 580 views We do all the PCB assembly work upon the certificate of ISO9001. Likes (1) CONTACT US NOW Attachment: ( a .zip or .rar file, max 25MB ) We’ll do our best to get back to you ASAP. Please enable JavaScript for this form to work.