Usun is committed to the rapid multi-layer, double-sided printed circuit board business, and more than 15 years experience to our global wide customers. All the products have wholly passed through the test of Europe Union "SGS-ROSH" and "SGS -REACH", Also company has got ISO9001:2000 Quality Management system Authentification, Rosh Environment. And for your requirement about PCBA, Our sister company can support it well. @ 2-36L PCB @ Metal core board @ HDI board @ RF board @ PCB Assembly @ Components Sourcing @ PCB stencil & PCB Stainless steel @ Quick to respond Flexible Price with 24 hours Call to any Questions by email to "Info@u-sunchina.com" Whats App :+86-13332993647 www.u-sunchina.com