»úе¶ÔÍâ¾­¼Ã¼¼ÊõºÏ×÷¹«Ë¾    Machine-building International Corporation,

»úеÉ豸½ø³ö¿Ú¹«Ë¾    Machinery & Equipment Import and Export Corporation,

»úе½ø³ö¿Ú¹«Ë¾    Machinery Import and Export Corporation,

Îï×ʹ«Ë¾    Materials Company,

Ò±½ð½ø³ö¿Ú¹«Ë¾    Metallurgical Import and Export Corporation,

Ò±½ð¹¤Òµ¹«Ë¾    Metallurgical Industry Company,

Îå½ð¿ó²ú½ø³ö¿Ú¹«Ë¾    Metals & Minerals Import and Export Corporation,

΢µçÄÔ¹«Ë¾    Microcomputer Company,

ËõÐͳö°æÎï½ø³ö¿Ú¹«Ë¾    Microforms Import and Export Corporation,

¿ó²ú¹¤Òµ¹«Ë¾    Minerals Industry Company,