We are a Chinese ODM which is specilizing in designing and manufacturing all kinds of indoor,outdoor LED display, LED moudule/board, single, bi-color,tricolor( full color and virtual pixel color) and so on. Cold rolled steel carbets, TW MINGWEL power and ADDA fans, TOSHIBA IC, especially USA CREE and NICHIA led chips make our displays more steady, longlife and waterproof. From raw material to finished parts, we strictly control every step according to ISO9001:2000, and we also have acquired FCC, CE and RoHs certifications. we have exported much and the prices are very competitive,more information, please feel free to contact me!