This project is a full EPC general contracting project delivered by Zhongyu Dingtian, designed as a large-scale intelligent and eco-friendly sand and aggregate production line primarily processing limestone. The line achieves an annual output of 4 million tons, supplying high-quality aggregates across five product specifications to meet diverse construction and infrastructure demands.
The project represents a comprehensive approach to modern aggregate production, where the entire scope from construction and equipment installation to environmental design, completion and commissioning was fully undertaken by Zhongyu Dingtian under a single EPC contract. This integrated delivery model ensures seamless coordination across all project phases, eliminating the delays and compatibility issues that arise when multiple contractors are involved.
Key project parameters:

The production line processes limestone into five distinct product fractions, each serving specific applications in construction, road building and concrete production.
As a full EPC project, Zhongyu Dingtian supplied and installed the complete set of crushing, screening, conveying and environmental protection equipment. The process flow follows a systematic multi-stage approach designed for efficient limestone processing.

The entire project, including construction, equipment installation, environmental design, completion and commissioning, was fully undertaken by Zhongyu Dingtian. This single-source delivery model ensures unified quality control, streamlined project management and clear accountability across all phases, from initial site preparation through to final production handover.
The application of an intelligent mine system establishes this project as a benchmark for smart aggregate production. The system provides real-time monitoring and control across the entire production process, enabling data-driven decision making, remote equipment management and predictive maintenance that together maximize operational efficiency and minimize unplanned downtime.
The production line is designed as a large-scale eco-friendly facility, integrating environmental protection measures throughout the plant. Dust collection equipment, enclosed material handling and green site design work together to achieve low-emission operation, while the intelligent system optimizes resource utilization and reduces energy consumption per ton of output.
By combining full EPC delivery, intelligent system integration and comprehensive environmental design, this project sets a benchmark for eco-friendly, intelligent and large-scale sand and aggregate production, demonstrating how modern aggregate plants can achieve both high volume output and environmental responsibility simultaneously.

Q1: What does full EPC general contracting cover for this sand and aggregate production line?
Full EPC general contracting means that Zhongyu Dingtian takes single-source responsibility for the entire project scope, including construction, equipment installation, environmental design, completion and commissioning. This eliminates the need for the client to coordinate multiple contractors or suppliers, reducing project timeline and risk while ensuring unified quality control. Every phase from site preparation through equipment supply, installation, testing and final production handover is managed under one contract with clear accountability.
Q2: How does the intelligent mine system improve production efficiency?
The intelligent mine system provides real-time monitoring and centralized control across the entire production process, from raw material feeding through multi-stage crushing, screening and finished product output. By tracking throughput, equipment status and product quality metrics in real time, the system enables operators to make immediate adjustments that optimize performance. Predictive maintenance alerts reduce unplanned downtime, while automated process control minimizes manual intervention, together maximizing production efficiency for the 4 million ton annual output target.
Q3: What environmental protection measures are implemented in this production line?
The production line integrates environmental protection as a core design principle rather than an add-on. Dedicated dust collection equipment operates at all key transfer points and crushing stations, enclosed material handling prevents fugitive emissions, and the environmental design covers the entire plant layout to minimize environmental impact. Combined with the intelligent system's ability to optimize energy consumption per ton of output, these measures enable large-scale aggregate production that meets modern environmental standards while maintaining high production volumes.

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Main Product:
Mobile Crusher,
Sand Making Equipment,
Screening Equipment,
Feeding Equipment ,
Mining Conveyor,
Crushing Equipment