Shenzhen YuanXin Technology Co., Ltd is headquartered at Longgang District of Shenzhen City, which gathers the densest hi-tech com-panies of China. It is a hi-tech company specialized in R&D, production, sale and engineerin-g services. Our company has set up offices and branches in large and medium cities, and oriented at professionally producing various high and middle-level LED displays and wholesales of various outdoor/indoor full color displays. Certificates: ISO9001 / CE / UL / FCC / RoHS. Please my Skype is Jessikayang