In particular, the chemical industrial sector has pushed ahead with the work to turn the existing equipment and facilities into electricity-saving ones.

The Hungnam Fertilizer Complex changed the AC contactor into relay self-powered AC contactor, thus making it possible to save thousands kWh of electricity per month.

The Sunchon Chemical Complex introduced a direct heating method based on output air of centrifugal compressor into its oxygen separator workshop to ensure the production as in the past while economizing in more than 800 000 kWh of electricity per year.

The February 8 Vinalon Complex has saved much electricity by applying insulating bricks to forge furnace.

Similar works have been pushed ahead at many chemical industrial establishments.