Our company professionally provides various printed circuit boards ( PCB ) in great quantities. 
PCB types have single side PCBs, double side PCBs, multilayer PCBs.
Material types include FR-1, CEM-1, CEM-3, FR-4, aluminum based.
Also supply a service of PCB Layout if customer need.
Our products had been approved by UL, and by SGS for RoHS compliance. Our quality system had been certificated and met the requirements of ISO-9001. More information, please visit our website: www.puchun.com