Engineered for Canadian transit specifications, delivering reliable power rail support under heavy mechanical loads and extreme environmental conditions.
Meeting the demanding challenges of metropolitan transit lines, extreme winter weather, and strict electrical safety standards in North America.
Canada boasts some of the most advanced and heavily used urban transit systems in North America, including Toronto's TTC, Montreal's Metro & REM, Vancouver's SkyTrain, and emerging Light Rail Transit (LRT) projects in Calgary, Edmonton, and Ottawa. In these systems, reliable power delivery via third rail technology is critical. Unlike top-contact systems that are highly susceptible to ice, snow accumulation, and leaf debris, side contact systems provide a protected interface for power collection.
The Side Contact Insulated Support Bracket is the structural backbone of this configuration. It secures the power rail in its precise spatial alignment relative to the running rails while providing high-dielectric electrical insulation. In a country where winter temperatures regularly plunge below -30°C and roads/tracks are treated with highly corrosive de-icing salts, these brackets must resist moisture absorption, tracking currents, thermal contraction stress, and heavy mechanical impacts from passing collector shoes.
Tailored configurations engineered to meet the CSA (Canadian Standards Association) guidelines and local transit authority specifications.
Utilizing Sheet Molding Compound (SMC) and high-strength polyurethane to prevent tracking and structural failure in humid tunnels.
Integrated elastomeric damping elements to minimize structure-borne noise in dense Canadian urban centers like Toronto and Montreal.
Produced in state-of-the-art green facilities utilizing solar energy, aligning with Canada's net-zero carbon goals.
The trend across Canadian transit networks is shifting toward smart, low-maintenance, and highly durable infrastructure. Traditional porcelain or wood-based insulators are rapidly being replaced by advanced composite materials. Modern side contact insulated support brackets feature modular designs that allow rapid replacement during tight maintenance windows, minimizing transit downtime.
Furthermore, as urban transit lines expand into residential areas, vibration and noise reduction have become regulatory requirements. The integration of high-performance polyurethane foaming mats and vibration-absorbing brackets ensures that the mechanical vibrations generated by the power collector interface are dampened before they propagate to the surrounding soil and structures. This dual-functionality—electrical insulation combined with vibration damping—is a core focus of modern Canadian transit procurement.
Founded in 1995, Changmei Technology has been active in the rail transit vibration and noise reduction industry for over 30 years. The company currently offers more than 300 products across six major series, all focused on vibration and noise control for rail transit.
Decades of innovation, structural scaling, and transition into smart, eco-friendly manufacturing.
A comprehensive overview of our structural vibration damping and electrical power protection product range.
| Main Category | Application Sector | Subcategory / Specialized Products |
|---|---|---|
| Main Products | Rail Transit Systems | Track Vibration Damping & Noise Reduction Products |
| Track Fastening Systems & Insulated Components | ||
| Products for Tram / Tramway Track Systems | ||
| Track Power Supply & Protection Products (Side Contact Insulators, Brackets) | ||
| Vibration Damping Solutions | Building & Construction | Polyurethane Vibration Damping Pads |
| Rubber Granules for Structural Vibration Damping | ||
| Building Vibration Isolation Bearings | ||
| Industrial Systems | Industrial Equipment | Vibration Damping Pads for Industrial Machinery & Heavy Equipment |
Equipped with digital manufacturing technology, automated mold centers, and high-capacity vulcanization systems.
Injection Molding Workshop: Equipped with 22 injection molding machines and 5 compression molding machines to handle high-precision composite components.
Mold Engineering Department: Equipped with more than 20 units of CNC machining centers, EDM machines, wire cutting machines, and other digital processing equipment. Capable of in-house development of injection molds, rubber molds, and SMC molds for rail transit applications, including automatic core-pulling molds for sleeves. Annual mold and tooling output: 300 sets.





Our industrial scaling ensures steady supply chains for major transit expansions across Canada and global markets.
| Product Category | Annual Production Output |
|---|---|
| Polyurethane foam isolation mats | 1,500,000 m² |
| Vibration and noise damping products | 500,000 sets |
| Rail power supply insulation and protection products | 100,000 sets |
Validated quality control, standardized processes, and extensive patent portfolios.
| Category | Count |
|---|---|
| National authorized patents | 107 |
| Invention patents | 16 |
| Technical achievements | 28 |
| Standard | Scope of Certification |
|---|---|
| ISO 9001:2015 | Product quality assurance and consistency |
| ISO 14001:2015 | Environmental responsibility and corporate commitment |
| ISO 45001:2018 | Occupational health and safety management |
| ISO 22163 | Railway applications – Quality management system (Currently under application) |
Railway Applications Quality Management System standard currently under active application.
Explore our full line of insulated brackets, steel supports, and lower/upper contact systems designed for metro and light rail lines across Canada.