We would like to introduce 3WINGROUP as one of the leading manufacturer and exporter of printed circuit boards (PCB) in south China .Our company specializes in manufacturing single sided, double sided,multilayer boards,Aluminum Substrate board, High TG board, Characteristic impedance board, HDI board, FPC, Rigid-flex Circuits ，owning three branch factories: Tongxin Circuit electronic Co., Ltd , Tongying flexible circuit(Zhuhai) Co.,Ltd and Tongshun Electronics Co.,Ltd， has 1500 staff.In order to supply quality products and excellent service,our factory has got approvable reports and certificates of SGS, UL and ISO etc.All our products are RoHS compliant and can be HAL lead-free,and well tested for very stringent quality measures.We can supply customer-oriented and sufficient one-stop purchasing solutions to our customers. I hope it is useful for you. For more detailed information,please visit our website: http://www.3wingroup.com