Green Master International Freight Services was established in 1997 to provide sea freight and combinations of freight forwarding services. In 1999, Green Master began its air freight forwarding service. 2000 was the year in which demand for market strategic alliances arose. Green Master completed the tasks of vertical and horizontal integration as well as corporate restructuring to obtain ISO 9002 certification. In 2003, Green Master began changes to meet ISO 9001:2000 requirements which were successfully met by 2006.