云南红河州泸西县中枢镇石灰石破碎制砂生产线，是某混凝土集团公司的下属项目，2017年3月我公司回访时，现场生产的石灰石骨料呈立方体，粒形好，堆积密度大。主要用于集团下属的搅拌站。这条石灰石破碎制砂生产线采用PEW1100欧版颚式破碎机、PFW1318欧版三腔反击式破碎机破碎，VSI5X8522制砂机制砂设计合理，简洁布局，生产稳定，助力当地基础建设。

1. 生产效益显著
生产线自投产以来始终保持好的稳定运行，单位能耗较传统工艺降低约20%。得益于设备的耐磨件长寿命设计，关键易损件更换周期延长，有效降低了维护成本。成品骨料不仅满足投资方自有搅拌站需求，还外供给周边高速公路、市政工程等项目，创造了可观的经济效益。

2. 产品质量优异
经第三方检测，生产的5-10mm、10-20mm等规格碎石压碎值≤12%，针片状含量＜5%；机制砂细度模数稳定在2.6-3.0区间，石粉含量可控在7%-10%之间。这些指标均优于GB/T14684-2022《建设用砂》标准要求。

项目运营期间，吸引了多地政府考察团和同行企业参观学习。其"集约用地、智能控制、环保达标"的三大特色，为西南地区砂石行业转型升级提供了可复制的样板。

云南红河州破碎制砂项目的成功实践，是黎明重工深耕矿山装备领域数十年的技术结晶。从设备选型到工艺设计，从安装调试到持续服务，每一个环节都凝聚着对品质的一种追求。未来，随着新基建和绿色建筑的发展，黎明重工将继续以创新为驱动，助力更多客户建设智能、好的、环保的现代化砂石骨料生产线，共同推动行业高质量发展。

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Henan LIMING Heavy Industry Science and Technology Co. LTD which mainly manufacture large and medium-sized crushing and grinding equipments was founded in 1987. It is a modern joint-stock corporation with research, manufacturing and sales together. The Headquarter is located in HI-TECH Industry Development Zone of Zhengzhou and covers 80000 m ². Another workshop in Shangjie Industry Park covers 67000 m ². Over the more than 30 years, our company adheres to modern scientific management system, precision manufacturing, pioneering and innovation. Now LIMING has become the leader in domestic and oversea machinery manufacturing industry.

LIMING brings a large number of high-qualification talents together. Bai Yinghui, general research and development engineer, is a well-known expert in crushing and grinding area who won the youth medal of technology of the state council and receives special government allowance. LIMING owns an experienced service team, offering the customer free design and professional skill training and live guide for installation and debugging. The company's service networks have spread all over the country. Established client files, and mix the traditional door-to-door service with online service together, complementary the advantages. LIMING has won high recognition from clients.

The company mainly manufactures mobile crushers, stationary crushers, sand-making machines, grinding mills and complete plants that are widely used in mining, construction, highway, bridge, coal, chemical, metallurgy, refractory matter, etc. Product quality is life, and scientific innovation is motive power. LIMING got ISO international quality system certification, European Union CE certification and Russian GOST certification. The company has strong research and development strength and innovation.

LIMING machinery research institute was founded in 2005 which is the most powerful comprehensive technological research institute in the domestic mining machinery industry and provides top scientific research platform for professional personnel. Up to now, LIMING has won 10 national patents, 24 national utility model patents and 3 provincial science and technology achievement awards. The company products remain the international leading level by strengthening international exchanges and cooperation all the time, and has won a wide range of international market, such as Russian, Azerbaijan, Kazakhstan, Turkey, Kuwait, South Africa, Egypt, Vietnam, Malaysia, India, Australia, Korea, Canada and European Union,etc. Through more than 30 years' hard work, LIMING's staff built supremacy of credibility, excellent quality, service "LIMING" brand, and has made outstanding contributions to the development of mechanical manufacturing industry for China and the whole world.

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