China Shenhua,a subsidiary of China Energy Investment Corporation
China Shenhua,a subsidiary of China Energy Investment Corporation
Project Overview
RailwayCare provided comprehensive rail grinding solutions for the railway transportation network of Shenhua Group, a subsidiary of CHN Energy Investment Group. This two-year project covered multiple heavy-haul railway lines under Shenhua Group, aiming to improve track quality, extend equipment lifespan, and reduce maintenance costs.
As China's largest coal producer, Shenhua Group's railway network carries critical energy transportation tasks. Track quality directly impacts transportation efficiency and safety. RailwayCare's systematic grinding solution helped Shenhua Group address long-standing issues such as corrugation wear and side wear.
Total Grinding Mileage
20,000
KilometersProject Results
Through this project, RailwayCare helped Shenhua Group achieve:
⚪ 42% reduction in track surface roughness
⚪ 35% reduction in wheel wear rate
⚪ 25% improvement in train running stability
⚪ 5-10 year extension in track service life
Project Process
This project adopted a systematic, phased implementation approach to ensure each stage met the highest standards. Below is the complete project process:
Phase 1: Preliminary Preparation
Project Initiation
March 2022: RailwayCare's first meeting with Shenhua Group's technical team to define project objectives and requirements.
Feasibility Analysis
Comprehensive assessment of Shenhua Group's existing track conditions, analyzing grinding technology applicability and expected outcomes.
✓ Preliminary identification of suitable grinding machine models and rail grinder wheel specifications
Phase 2: Proof of Concept
Initial POC Testing
Selected a 5km test section on Shenshuo Railway for initial grinding tests, collecting baseline data.
✓ Testing equipment performance and collecting baseline data
Test Problem Discussion & Feedback
Held specialized meetings with Shenhua's technical team to analyze issues discovered during testing and optimize grinding parameters and equipment configuration.
✓ Adjusting rail grinder wheel formula, optimizing grinding machine parameters
Secondary POC Testing
Conducted a second round of testing on the same section with adjusted grinding parameters based on feedback.
✓ Verifying equipment optimization results
POC Summary
Completed test data analysis report, demonstrating the grinding solution effectively addressed Shenhua's specific track issues.
POC Presentation
Presented test results to Shenhua Group management, obtaining technical approval and authorization for further progress.
Phase 3: Project Implementation
Project Establishment
September 2022: Shenhua Group formally included "Full Network Rail Grinding Project" in its annual key projects.
Higher Authority Review
Project proposal submitted to CHN Energy Group headquarters for joint review by technical and budget committees.
Approval Granted
November 2022: CHN Energy Group officially approved the project.
Procurement Scope Confirmation
Defined project coverage of railway lines, grinding standards, equipment requirements, and implementation timeline.
✓ Determining quantity and specifications of required grinding machines and rail grinder wheels
Phase 4: Procurement & Execution
Tender Initiation
January 2023: Shenhua Group issued a public tender announcement for rail grinding services.
Bid Submission
RailwayCare submitted technical proposal and commercial bid, winning the contract after three rounds of bidding.
✓ Proposal included technical advantages of grinding machines and Molaton RailCare-L260090 rail grinder wheels
Grinding Delivery
March 2023 - December 2023: Conducted grinding on 20,000km of Shenhua Group railways using rail grinder vehicle and matching rail grinder wheels, in three phases.
✓ Peak period deployment of some grinding machines to ensure project progress
Final Acceptance
December 2023: Project passed technical acceptance by Shenhua Group, with all indicators exceeding targets.
Phase 5: Continuous Service
2024 Maintenance Services
Provided annual regular inspections, equipment calibration, technical training, and emergency response services to ensure continuous and stable grinding results.
✓ Regular replacement of rail grinder wheels, maintenance of grinding machines
2025 Optimization Services
Based on over a year of operational data, provided grinding parameter optimization, equipment upgrade recommendations, and preventive maintenance plans.
✓ Provided upgraded version of Molaton RailCare-L260090 rail grinder wheels with 15% performance improvement
Long-term Technical Support
Established long-term cooperation relationship, providing continuous technical consultation, equipment maintenance, and upgrade services.
Core Technology: Advanced Rail Grinder Wheel
The project deployed RailwayCare’s proprietary Molaton RailCare-L260090 rail grinder wheel, paired with rail grinders. Engineered for extreme heavy-haul conditions, these rail grinder wheels deliver consistent material removal, high thermal resistance, and extended service life—key for minimizing downtime on high-traffic routes.
Ready to Enhance Your Rail Infrastructure Performance?
If your railway network faces challenges related to track wear, maintenance costs, or operational stability, RailwayCare’s proven grinding solutions—validated on over 20,000 kilometers of heavy-haul lines—can deliver measurable improvements.
For a site-specific assessment or technical consultation, visit https://www.railwaycare.com
contact our engineering team directly at mailto:RCInfo@railwaycare.com.
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