Renjietong Circuit Technology Co,.Ltd is PCB manufacturer which founded in 2003 in Shanghai,in 2011 we invest new factory in shenzhan,which own 4000 sq meters modern plant,brand-new equipment and a batch of rich expreienced worders.Our production capacity more than 5000 sq meter per month and can process more than 180 fast sample orders one day,we've passed ISO6001,ISP14001/16949 certificated and UL approved.Now we have lots of customers from china,Europe,USA,Japan,etc,Welcome to visit our factory and coooperate with you.Perfect service will be provided.