GENEVA, March 23 -- BEIJING XIANGXIN BIOTECHNOLOGY CO., LTD (Room 1601, 16th Floor, Biulding 5, No 18, Kechuang 13th StreetBeijing Economic And Technological Development ZoneTongzhou District, Beijing 100000), 北京橡鑫生物科技有限公司 (中国北京市通州区北京经济技术开发区科创十三街18号院5号楼16层1601), TIANJIN XIANGXIN BIOTECHNOLOGY CO., LTD (Room 401, Building D4, Changyuan Dao International Enterprise CommunityWuqing District, Tianjin 300000), 天津橡鑫生物科技...