With a national technical innovation competition among three-revolution teams-2021 gaining momentum, such group members across the country promote the development of their units by inventing and introducing technical innovation plans.
Those at the Hwanghae Iron and Steel Complex developed a new device for measuring the temperature of molten iron and completed a method of making insulating bricks based on waste materials, while those at the Sunchon Chemical Complex and Hungnam Fertilizer Complex respectively refashioned a plasma cutter and made a settling agent conducive to speeding up waste water disposal.
The Pyongyang Thermal Power Station completed a back pressure turbine monitoring system to step up the technical upgrading of existing equipment and contribute a large share to increasing electricity production. The Ryongdae Youth Coal Mine of the Sunchon Area Youth Coal-mining Complex raised the operational rate of drilling equipment and increased their serviceable life markedly by introducing a device for separating minute water molecule from compressed air.
The Taean Heavy Machine Complex and the Kusong Machine Tool Factory developed a lap winding armouring machine and introduced a spheroidal graphite cast iron production method, so as to improve the quality of product and boost productivity. The Pyongyang Trolley Bus Factory contrived a tension instrument for heating iron plate as the Sinuiju Shipyard made a new-type alternating-current welding machine for stabilizing flow of electricity which consumes less electricity.
The Pongam Cooperative Farm in Kilju County and the Kumsong Cooperative Farm in Paechon County made a granulated fertilizer-making machine which can increase the effectiveness of fertilizer.
The Pyongyang Mechanical Pencil Factory and Suyangsan General Foodstuff Factory manufactured a machine which automatically sorts and packages the lead of mechanical pencils and a rapid microorganism tester which ensures the hygienic safety of products respectively. They now prove very effective.
The Wonsan Leather Shoes Factory developed a variety of additives needed for the recycling of waste paper and cuttings of synthetic leather, while the Rajin Drink Factory set up a large-capacity fermented soy sauce production process.
President Kim Il Sung remembered abroad
The world progressives have sent congratulatory messages and letters to the DPRK to express their deepest reverence and offer
April 20, 2024
The world progressives have sent congratulatory messages and letters to the DPRK to express their deepest reverence and offer
