Present there were officials, scientists, technicians, teachers, researchers, postgraduates and three-revolution team members of scientific and educational institutions and industrial establishments.

The national sci-tech presentation and show in the field of nano-technology were held at the State Nano-technology Center.

Presented there were at least 130 papers and more than 220 kinds of products in the fields of agriculture, light industry, basic industry and medical science.

Some 250 papers for rapidly developing information service, program development, security technology and satellite communications were introduced at the national sci-tech presentation in the IT field, which was held to mark the 50th anniversary of the Central Information Agency for Science and Technology.