In this regard, Kim Il Ryong, director of the company, told KCNA:

Those high-tech products have been appreciated by customers.

100W speaker has been introduced in outdoor and indoor large expanses such as park and gymnasium.

It is easy to be moved and installed as it is made of high-strength plastic material.

The infra-red prospecting apparatus is an intellectual remote-controlled one for surveying mineral resources and solving geological problems.

It has been also proved to be efficient in prospecting underground resources including nonferrous minerals, geotherm, underground water and coal.

Included in its field of usage are geological survey, geological engineering and environmental geological study.

Its surveying capacity is 100m at its maximum and its speed very fast.

It has several functions such as saving and getting access to gathered information. It also has a port for PC connection.

The smoke sensor controller is one of high-tech products to be introduced in industrial and public buildings, schools and dwelling houses.