1973, 12 In May, the "Grain Collection and Transportation Command of the Production Command Group of the Revolutionary Committee of Lvda City" was renamed as "Grain Collection and Transportation Command of Lvda City". 198 1 February 9, 2008, the State Council approved the renaming of Lü da City as Dalian City, and the "Lü da City Grain Transit Command" was naturally renamed as "Dalian Grain Transit Command". On September 24th, 199 1, "Dalian Grain Transportation Headquarters" was renamed as "Dalian Grain Import and Export Transportation Corporation". 2001August 13, Dalian Grain Import and Export Transportation Corporation was renamed as Dalian Liangyun Group Co., Ltd. .. 20 12, and renamed as Liang Yun Group Co., Ltd. ..