Over 50 companies of different countries including the DPRK and China took part in the exhibition.

Presented to the exhibition were green building materials based on successes of ultra-modern science and technology and different kinds of pieces of furniture with various uses and scientific and technological data.

Attending the opening ceremony were Kim Yong Jae, minister of External Economic Relations, Kim Chol Hun, vice-chairman of the Pyongyang City People's Committee, officials concerned and officials of the units which submitted their products to the exhibition, foreign delegations to the exhibition and diplomatic envoys and members of foreign embassies here.

Pak Ung Sik, director of the Korean International Exhibition Corporation, made an opening address to be followed by a congratulatory speech of O Ryong Chol, vice-minister of External Economic Relations.

After the ceremony the participants looked around the exhibition venue.

The exhibition will continue until Oct. 31.