INTERNATIONAL PATENT: NO.1 ENGINEERING CO., LTD. OF CCCC FIRST HARBOR ENGINEERING CO., LTD., 中交一航局第一工程有限公司, CHINA COMMUNICATIONS FIRST NAVIGATION ENGINEERING BUREAU CO., LTD., 中交第一航务工程局有限公司 FILES APPLICATION FOR "CONTROL METHOD AND CONTROL SYSTEM FOR SINKING POSITIONING ACCURACY OF UNDERWATER AND IN-MUD STEEL CYLINDER"

GENEVA, Feb. 2 -- NO.1 ENGINEERING CO., LTD. OF CCCC FIRST HARBOR ENGINEERING CO., LTD. (No.14, Room 300, Xingang, Tianjin Free Trade Zone (Central Business District)Binhai New Area, Tianjin 300456), 中交一航局第一工程有限公司 (中国天津市滨海新区天津自贸区（中心商务区）新港三百间14号), CHINA COMMUNICATIONS FIRST NAVIGATION ENGINEERING BUREAU CO., LTD. (8th Floor, Yuejin Road Shipping Service Center, Tianjin Port Free Trade ZoneBinhai New Area, Tianjin 300450), 中交第一航Ó...