A millennium old city, beautiful Shaozhou. On July 20-23, 2023, the 10th National Sand and Aggregate Industry Science and Technology Conference series with the theme of "innovation driven, technology led, and high-quality development" was grandly opened in Shaoguan, Guangdong. Organized by the China Sandstone Association, nearly a thousand people attended the meeting, including industry experts and scholars from various levels of ministries and relevant government leaders, representatives of industry associations at all levels, representatives of enterprises in the sand and gravel industry and upstream and downstream industry chains, and media representatives. During the same period, activities such as the National Sand and Equipment Enterprise Leaders Symposium, the 15th Executive Council Meeting of the 7th, the High Quality Development Forum, and the Comprehensive Utilization of Solid Waste Resources and Mine Ecological Restoration Forum were also held.

Long Fujian, Chairman of Sanming Heavy Industry, Attends a National Symposium for Leaders of Sand and Equipment Enterprises

Long Han and Li Jue, General Manager of Sanming Heavy Industry, Attend the National Symposium of Leaders of Sand and Equipment Enterprises

At present, what difficulties and problems are encountered in the sand and gravel industry? Leaders of sand and gravel industry associations from all over the country, leaders of excellent sand and gravel and equipment enterprises, some representatives attending the 10th National Science and Technology Conference of the sand and gravel aggregate industry, as well as representatives from industry media, participated in the conference. They gathered their ideas, analyzed and predicted the industry's form, actively explored, and published countermeasures, suggestions, and direction measures for industry development.

At the 15th executive council meeting of the 7th session, the China Sandstone Association carefully reviewed and approved the adjustment and supplementation of the candidates for the 7th executive council and council members of the association. Among them, Chongqing Sanming Heavy Industry successfully passed the upgrade evaluation of the executive director and stated that it will actively participate in the association's activities. It is willing to work together with industry peers to create a good ecological environment for the industry.

Based on the latest data on infrastructure construction investment in China in the first half of the year, this paper analyzes the current market situation and demand for sand and gravel, and discusses the high-quality development of the country and the government's promotion of high-quality development of the sand and gravel industry. Hu Youyi, President of the China Sand and gravel Association, delivered a keynote report titled "Innovation driven technology leadership, current international and domestic economic situation, and high-quality development of the sand and gravel industry". The report points out that the sand and equipment industry is highly correlated with the level of national macroeconomic prosperity, investment in fixed assets and infrastructure construction, and has a strong periodicity. Future macroeconomic trends, national macroeconomic policies, industrial policies, etc. will have an important impact on fixed assets investment in housing construction, transportation, urban construction, water conservancy and hydropower and other infrastructure projects, as well as the investment of stone and mineral resources.

At the conference, President Hu Youyi clearly elaborated on the core tasks and specific paths for the high-quality development of the sand and equipment industry, providing comprehensive professional guidance for enterprises. In the context of economic downturn and the construction of large stone mines in multiple regions, as well as the overcapacity of sand and gravel in some areas, the competition among sand and gravel and equipment enterprises is becoming increasingly fierce. Enterprises should look up at the starry sky and be grounded downwards. It's not good to only look at the starry sky without grounding; It's not good to only focus on the ground without looking at the starry sky.

At present, there are industry pain points in the field of sand and gravel aggregate processing and production, such as melon rice and gravel explosion, high energy consumption of sand making machines, low sand making rate, low output, high powder content, poor sand mold, low resource utilization rate, and unreasonable grading. Some sand and gravel production enterprises have experienced shortages or even shutdowns in their production lines due to unscientific project planning and unreasonable equipment configuration. To this end, Chongqing Sanming Heavy Industry is dedicated to research and development, striving to provide users with sand making solutions with low investment, low operating costs, and high returns.

Sanming Heavy Industry's VCX ultra-fine sand making machine has a new technology that exclusively designs a five level crushing chamber, scientifically optimizes the material crushing and striking angle, accurately dynamically adjusts the sand shape grading, and achieves technological breakthroughs in efficiency and energy conservation. The sand making rate can reach over 80%, the motor energy consumption can be reduced by 50%, the powder content can be reduced by 10 percentage points, and the fineness modulus of the finished sand is about 2.7, which meets the material standards for building sand zone II, significantly reducing user investment and operating costs.

Compared to the industry's sand making building solutions, Sanming Heavy Industry's VCX ultra-fine sand making machine sand solution has reduced investment costs by 70%, reduced operating costs by 50%, increased sand making rate by 20%, and reduced powder content by 10 percentage points, while challenging the sand making building alone. Since the introduction of VCX ultrafine sand making machines to the market, they have gained widespread recognition from users and have been used one by one, replacing existing products such as vertical axis impact sand making machines, box type sand making machines, and dual rotor sand making machines. New technology creates new value, and new equipment leads the new development of the industry.

Standing at a new starting point, we remember our mission and are full of pride; To achieve new breakthroughs, we shoulder the heavy responsibility and never slack off! Every progress in the industry embodies the wisdom and dedication of all enterprises and practitioners in the industry. Faced with new challenges and opportunities, we should not only look up to the starry sky, but also be down-to-earth. Following the direction of "reduction and optimization, intensive and efficient" determined by this conference, Chongqing Sanming Heavy Industry will definitely have more confidence, grasp the overall trend, strive for progress while maintaining stability, consolidate the foundation of technological self-reliance and self-improvement, serve the construction of national infrastructure, assist the stable growth of national bidding, and work together to write a new chapter of high-quality development in the sand and gravel aggregate industry.