ledman optoelectronic co.ltd is a leading professional manufacturer in china led field. with a highly international marketing and sales presence,ledman has built its reputation for art-of -the- world. as the first listed led display of  manufacturer in china,ledman has always beening commmitted to developing, manufacturing high quliti,hight brightess,indoor and outdoor led display. ledman's products have winded to more than 50 countries.