Pyongyang, June 12 (KCNA) -- The Ponghwa Chemical Factory of the DPRK has established a production line capable of making a gilled radiator tube for air coolers of our style.

The technology of axial feed device developed in the course of establishing the line of producing radiator tube received a patent, one of the intellectual property, and was highly appreciated at the 38th National Sci-Tech Festival.

After laying the foundation for a serial production of radiator tubes for air coolers, the factory is striving to increase their quality and productivity. -0-