GENEVA, July 28 -- GUANGZHOU SHIYUAN ELECTRONIC TECHNOLOGY COMPANY LIMITED (No.6, 4th Yunpu Road, Huangpu District,Guangzhou, Guangdong 510530), 广州视源电子科技股份有限公司 (中国广东省广州市黄埔区云埔四路6号), HEFEI YIJIA INTELLIGENT ELECTRONIC TECHNOLOGY CO., LTD (Room F5-00078, Phase II, Innovation Industrial Park, No. 2800 Innovation Avenue, High Tech Zone,Hefei, Anhui 230088), 合肥易家智能电子科技有限公司 (中国安徽省合肥市高...