Zhengzhou Zhengdian Electronic Technology Co.,Ltd, founded in 2008, which is a mainly supported high-tech enterprise by University Students Venture Park of Zhengzhou city, specialized in designing and manufacturing of LED writing boards, LED advertising boards,LED message boards, kids drawing boards etc. Zhengdian have 3D engraving machine, laser cutting machine, automatic glass washing machine, automatic locator, technology trimming machine and some other high-precision manufacturing ...   |