Yuyao zhengxing echnology and electric factory locates in Ningbo, zhejiang ***** factory specialize in producing and salling the GPS navigation, digital photo frame and other digital ***** products include the 3.5 inch and 4.3 inch navigation, 7 inch digital photo frame.we can supply many styles. our factoty Insist on quality as its basis for surviving, and credit as a way to develop, welcome you to build the business relationship with us.