Yunnan Jianfeng Cement 1.5 Million Tons Aggregate Production Line Put into Trial Production

the new year, Yunnan Jianfeng Cement Company successfully completed the installation and commissioning of equipment and entered the trial production stage for the renovation project of aggregate production line with an annual output of 1.5 million tons.

This project is an important measure for Yunnan Jianfeng to extend the industrial chain and improve the level of comprehensive utilization of resources. Through the technical transformation of the existing limestone crushing system, the process flow of "pre-screening + two-stage crushing + two-stage screening" is adopted to convert the ore unsuitable for cement production into high-quality building aggregate, thus realizing the "eating dry and squeezing clean" of mine resources. The civil construction of the project was started in June 2025. The construction difficulties and construction safety in rainy season were overcome, and the construction period of civil construction and equipment installation was reasonably arranged. The equipment was fully commissioned on December 31, and the continuous operation with load began on January 5. On that day, the design production target of 300 tons of finished materials per hour was achieved.

According to the project planning, the new production line of Yunnan Jianfeng can produce aggregate products of 0-5mm, 6-15mm and 16-22mm. According to the operation of the equipment during the trial production period, Yunnan Jianfeng has carried out the rectification and improvement of the production line, and will organize the production of products of different specifications according to the market demand. Relevant person in charge said that if the appropriate equipment control parameters are adjusted, it is expected to increase production. After the

Yunnan Jianfeng Aggregate Production Line Project is officially put into operation, in addition to selling aggregates to the outside world, it can also be used as an admixture for cement production, effectively extending the cement industry chain, not only enhancing the supply capacity of Yunnan Jianfeng in the regional aggregate market, but also providing strong support for the Group to deepen the building materials industry chain and promote green and sustainable development.