YouSheng(Usun) was established in 2009 in ShenZhen , engageod in manufacturing PCB and PCB assemblies.We provide following services for all of our customers: 1) PCB production service, available on FR-4, TG150-180, aluminum,2) PCBA copy service IC Decrepted ,Programming3) PCB assembly service. Available on SMT, BGA, DIP,Stencil4) Box-build assembly, available on final functional testing and final package 5) Electronic component purchasing service6)Membrane Switch"Quality First, Customer Highest and Thoughtful Service" is the management principle that we always adhere to. Our working target is "to do our best to satisfy all customers".We have customer marketing from South Asia, the Middle East, Europe, America, Australia, etc.We win recognition and support from more and more partners.Looking forward to establishing long-term and cooperative relationships for business .Welcome to contact us anytime.

Picture	Certification Name	Certified By	Business Scope	Available Date --- Expired Date	Verified
	ISO14001	China Great Wall Quality	The Production of PCB and Related Activities	2016-09-15 ~ 2019-09-15

Business Type

Manufacturer, Trading Company