INTERNATIONAL PATENT: ZHONGSHAN UNION OPTECH RESEARCH INSTITUTE CO., LTD., 中山联合光电研究院有限公司, LINKSMART TECHNOLOGY (ZHONGSHAN) CO., LTD., 联慧智能科技（中山）有限公司 FILES APPLICATION FOR "ANTI-ENTANGLEMENT ROLLING BRUSH, ROLLING BRUSH MECHANISM AND ROBOTIC VACUUM CLEANER"

GENEVA, May 4 -- ZHONGSHAN UNION OPTECH RESEARCH INSTITUTE CO., LTD. (Room 403, 4th Floor, No.10 Yiwei Road, Torch Development ZoneZhongshan, Guangdong 528400), 中山联合光电研究院有限公司 (中国广东省中山市火炬开发区益围路10号四楼403室), LINKSMART TECHNOLOGY (ZHONGSHAN) CO., LTD. (No. 11 Yingbin Avenue, Banfu TownZhongshan, Guangdong 528400), 联慧智能科技（中山）有限公司 (中国广东省中山市板芙镇๡...