Tianjin Metals & minerals Import & Export co.ltd is one of the earliest state-owned specialized import * export corporations and the 500 largest import & export company in china. Under the company there are management and fuction departments or offices of 2 import departments,11 export departments,two developing departments,an international economic and technical cooperation department,2 domestic trade departments,a transportation department, a preperties managing department and a general manager affairs offices,a research office manager affairs office,a research ooice and an auditing office,etc.