GENEVA, Dec. 8 -- CHINA RAILWAY 23RD BUREAU GROUP CO., LTD. (Room 508, 5th Floor, Building #1, No.530 Of Middle Tianfu Avenue, Chengdu High-tech Zone, The Pilot Free Trade Zone (Sichuan)Chengdu, Sichuan 610000), 中铁二十三局集团有限公司 (中国四川省成都市中国（四川）自由贸易试验区成都高新区天府大道中段530号1栋5楼508号), CHINA RAILWAY 23RD BUREAU GROUP RAIL TRANSIT ENGINEERING CO., LTD. (Workshop 1, 2nd Floor, Building 4, No.386 Pinggang Road, Lingang New Area...