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China Rail Heightening Pads Factory - High-Quality Suppliers for Track Leveling Solutions

Rail Heightening Pads are essential components in rail fastening systems designed to enhance vertical track geometry. Positioned between the rail base and the support structure, these innovative pads provide precise height adjustments, ensuring the track aligns with its horizontal reference plane according to design specifications, Our Rail Heightening Pads are manufactured in China from high-density polyethylene (HDPE) using advanced injection and extrusion molding techniques. This material is engineered for optimal compressive strength and dimensional stability, effectively supporting sustained track loads. The surface hardness of our pads exceeds 40 Shore D, offering exceptional resistance to indentation and creep throughout their service life, As a leading factory and supplier, we provide a variety of thickness increments in our shims to meet specific lift requirements, enabling swift and accurate leveling adjustments during both initial installations and ongoing track maintenance. Trust our Rail Heightening Pads to deliver reliability and performance in your rail infrastructure projects
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    Product Details

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    Technical Specifications

    Item

    Unit

    EN standard requirement

    Thickness*

    mm

    7-15

    Static stiffness*

    N/mm³

    0.02-0.25

    Insulation resistance

    Ω

    ≤10⁸

    Compression set

    %

    ≤ 10

    Applicable standards

    DIN

    DIN 45673-7:2010

    Change after 10 million load cycles

    Static stiffness & thickness variation

    %

    ≤ 10

    Items with * can be customized according to the line requirements.
    Custmized Railway Ballast Vibration Reduction Mat EN Standard101

    Application

    Widely used across China’s rail network, the Elastic Ballast Mat delivers proven results. Installed under the ballast bed, it boosts track elasticity, cuts down ballast breakage, and improves load distribution—especially on curves and turnouts. Designed with a puncture-resistant top layer and an elastic damping layer, Ballast Mat performs reliably with or without retaining walls.

    Quality Assurance

    We have designed, manufactured, and exported ballast mats for over 20 years. Our products are installed on more than 40 metro lines across major Chinese cities like Beijing, Shenzhen, Wuxi. Customer satisfaction stands at 98%.
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    Before leaving our factory, the ballast mats will be tested strictly according to standard requirements . For customers who require more, we carry out type tests at our in-house testing centre. 

    Tests include:
    • Fatigue testing
    • Static and dynamic stiffness measurement
    • Tensile testing

    This process verifies Elastic Ballast Mat reliability under real working conditions.
    • Custmized-Railway-Ballast-Vibration-Reduction-Mat-EN-Standard01_01
    • Custmized-Railway-Ballast-Vibration-Reduction-Mat-EN-Standard01_03
    Custmized Railway Ballast Vibration Reduction Mat EN Standard101

    Production Capacity

    We handle Ballast Mat production in-house at our dedicated continuous foaming workshop. The facility runs on an automated German production line, giving us consistent quality and high output. Current annual capacity stands at 900,000 square metres of Railway ballast vibration reduction mat.

    Custom Mould Design & Manufacturing

    – In-House, Start to Finish
    Our Mould Engineering Department operates a full digital workshop equipped with more than 20 CNC machines, including machining centres, spark eroders, and wire cutters. This allows us to design and manufacture a wide range of moulds for the rail transit industry – injection moulding, rubber, SMC, and specialised types such as auto-core-pulling bush moulds.

    Annual output stands at 300 sets of moulds and tooling.

    If your project calls for a non-standard shape for Elastic Ballast Mat, a special material, or a unique production feature, we have the equipment and the experience to deliver.
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    Custmized Railway Ballast Vibration Reduction Mat EN Standard06

    Packaging & Shipping Options

    We keep packaging practical and flexible. Customer choose what works best for their order.
    Outer packaging is included as standard.
    For pallets, we offer two options:
    • Plywood pallets – for standard shipments
    • Solid wood fumigated pallets – certified for export where required
    • All packaging follows standard export practices.
    If you have specific labelling or marking requirements, let us know in advance.
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