Since 2021, Sanmenxia has continuously increased its support for key enterprises, accelerated the cultivation of leading enterprises, led and promoted its industrial transformation and upgrading, which provided strong support for Sanmenxia's economic growth and high-quality development.

The leading enterprises are more stable. Zhongyuan Gold Smelter is the largest gold smelting, refining and processing enterprise in China, which has the world's largest bottom-blown smelting furnace and the largest acid-making plant in China. It is a pillar enterprise of China's gold industry. Baowu Aluminum is the most important project of China Baowu to expand into the new materials. It has a leading position in the domestic aluminum processing industry with a high starting point, high positioning and high standards, Some high-tech aluminum sheet and strip products fill the gap in the domestic market

The economies of scale have been greatly improved.  The sales revenue of Yangshao Liquor in 2021 exceeded 3 billion yuan, and the tax paid was 500 million yuan, an increase of 31.5% and 37.4% respectively over the previous year, which has been vigorously commended by Henan Provincial Department of Industry and Information Technology, and it has truly become the first brand of mid-to-high-end liquor in Henan. Jinrong Cement ranks 99th in the "2021 China Top 500 Building Materials Enterprises" and 36th in the "2021 China Top 100 Private Building 

Materials Enterprises" based on its main business and growing influnce. State Grid Sanmenxia Power Supply Company sold 10.063 billion kilowatt-hour of electricity in 2021, which broke 10 billion kilowatt-hour of electricity, an increase of 32.64%, and the growth rate ranked first in Henan.

"Three major transformations" help development. East Hope Group won the "National Key Enterprise for Implementing Cleaner Production" and "Henan Province Advanced Unit for Pollution Reduction", etc.due to series of technological transformation of desulfurization, denitration, dust removal and other equipment, and its emissions of sulfur dioxide, nitrogen oxides, and soot particles are better than the national standards. Juntong Vehicle Group with three major R&D platforms and world-class special-purpose vehicle manufacturing equipment, has a complete system of R&D, manufacturing, inspection and sales, it is a special-purpose vehicle enterprise with the largest single-plant production capacity in China. Sinovi Pharmaceutical Co., Ltd.vigorously promotes the automation, flexibility and intelligent upgrading of production equipment, testing equipment, sewage treatment systems, etc., so as to further improve its craft and production capacity, and its "Xiaoshuan Enteric-coated Capsules" has become a domestic "unicorn" product .

Traditional industries are reborn. Dayou Energy, Jinyuan Mining, Lingbao Gold and other traditional resource-based enterprises have gradually rejuvenated and regained new opportunities by strengthening management, deepening reforms and improving chains.

The data shows that in 2021, the added value of industries above designated size in Sanmenxia will increase by 10.9% year-on-year, which is 4.6 percentage points higher than that of Henan province; the growth rate of electricity consumption, industrial electricity consumption and industrial value-added tax all ranked first in Henan; industrial investment in Sanmenxia increased 25.8%, which was 14.1 percentage points higher than the whole province, ranking fourth in Henan province; 5 of the main economic indicators in Sanmenxia ranked in the forefront of the first phalanx in Henan.