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Engineered to meet EN standards and Sweden's demanding rail infrastructure requirements.
RMTS is a manufacturer specializing in railroad thermit welding materials, based in Tianjin, China. With a factory spanning 5,500+㎡ and 30+ professionals dedicated, we are committed to delivering reliable and efficient thermit welding solutions to clients across the globe. Our products are designed to meet the highest industry standards, ensuring durability and performance in various applications.
We understand that successful welding projects require not only high quality products but also expertise and knowledge. That's why we offer comprehensive on-site training programs to help our clients master the thermit welding process, enabling them to achieve optimal results and build a strong reputation in their respective fields. Additionally, our experienced team provides project welding instruction services, offering hands-on guidance and support to ensure seamless execution, no matter where the project is located.
Driven by a customer-centric approach, RMTS is dedicated to fostering long-term partnerships by delivering exceptional products and services tailored to the unique needs of our clients. Whether you are looking for reliable thermit welding materials, expert training, or project support, RMTS is your trusted partner in achieving welding excellence.
Sweden's advanced rail network, industrial infrastructure, and commitment to sustainable mobility create exceptional demand for high-performance exothermic welding materials.
Sweden's national transport administration, Trafikverket, is investing billions of SEK in mainline rail upgrades and new high-speed corridors between Stockholm, Gothenburg, and Malmö. These projects require thousands of precision thermite weld joints annually, making exothermic welding materials a critical procurement category for Swedish contractors.
The ongoing expansion of Stockholm's tunnelbana (metro system), including the new Blue Line extension and the City Line upgrades, demands reliable aluminothermic welding for confined underground environments. RMTS materials are engineered for the tight tolerances and strict safety requirements of Scandinavian urban transit authorities.
Sweden's major seaports — including Gothenburg, Helsingborg, and Stockholm — rely on heavy-duty crane rails and industrial track systems for cargo handling. Exothermic welding ensures seamless, corrosion-resistant joints capable of withstanding the harsh Baltic climate and high-load cycles of port operations.
Northern Sweden's world-class mining sector, led by LKAB in Kiruna and Boliden's operations, depends on robust rail infrastructure for ore transportation. Thermite welding provides the durable, maintenance-free joints required in sub-zero Arctic conditions, where conventional welding methods underperform.
Sweden's ambitious climate targets — including carbon neutrality by 2045 — are accelerating the shift from road freight to rail. New electrified freight corridors and green logistics hubs require extensive new rail construction, driving sustained demand for high-quality thermite welding consumables and materials.
Sweden's aging rail network requires continuous maintenance and track renewal programs. Exothermic welding is the preferred method for in-situ field repairs, offering fast curing times, minimal equipment, and weld quality that matches or exceeds the parent rail material — critical for maintaining train punctuality in Sweden's demanding climate.
The Swedish market is evolving rapidly, driven by infrastructure investment, digitalization, and environmental regulation.
Sweden is developing new high-speed rail lines connecting Stockholm, Gothenburg, and Malmö. These projects require continuous welded rail (CWR) technology, where exothermic welding plays a central role. The increased axle loads and speeds of modern Swedish trains demand weld quality that only precision thermite welding can consistently deliver.
Swedish rail contractors are increasingly adopting digital inspection tools, including ultrasonic testing and AI-assisted weld quality verification. RMTS's consistent product formulations and tight tolerances are designed to integrate seamlessly with these modern quality assurance systems, ensuring compliance with EN 14730 and Swedish Transport Agency standards.
Sweden's winters present unique challenges for thermite welding, with temperatures regularly dropping below -20°C in northern regions. The trend toward cold-weather optimized welding powders, pre-heating systems, and insulated mould designs is accelerating, and RMTS is at the forefront of developing materials certified for extreme Nordic temperatures.
Swedish infrastructure contractors increasingly prefer suppliers capable of providing localized logistics support, technical documentation in English and Swedish, and rapid replenishment of consumables. RMTS supports the Swedish market with dedicated export packaging, EN-compliant documentation, and partnerships with European logistics providers for efficient delivery to Swedish project sites.
RMTS have a highly skilled R&D team that works tirelessly to ensure that we produce thermit welding materials that meet the specific needs of each type of rail, including rail profiles commonly used in Sweden's mainline and metro systems.
In addition to its strong R&D capabilities, RMTS actively participates in railway projects across China and abroad. The company collaborates with railway authorities, construction companies, and maintenance organizations to provide its expertise and materials for various projects.
By participating in railway projects, RMTS contributes to the development and maintenance of extensive railway networks. Whether in high-speed rail, urban transit systems, or conventional rail lines, RMTS offers its thermit welding materials and services to ensure the integrity and safety of the rail infrastructure.
Furthermore, RMTS maintains partnerships with research institutions, universities, and industry experts in China. These collaborations enable RMTS to continuously strengthen its R&D capabilities in thermit welding technologies, ensuring cutting-edge solutions for the Swedish market.
RMTS's strong R&D abilities, coupled with its involvement in railway projects, demonstrate the company's commitment to providing advanced thermit welding solutions that meet the specific demands of the railway industry.
From Sweden's mainline freight corridors to Stockholm's metro and Arctic mining railways, RMTS serves every segment.
Our 5,500+㎡ state-of-the-art manufacturing facility in Tianjin, China — producing exothermic welding materials for global markets including Sweden.
Our proven track record across international rail projects demonstrates the reliability and quality Swedish infrastructure clients can expect.
As part of the Phase 2 expansion of Jakarta's Mass Rapid Transit (MRT) system, RMTS was contracted to provide aluminothermic welding solutions for the new underground and elevated tracks. The project involved welding 600 rail joints across a 12-kilometer stretch, connecting key areas of the city to reduce traffic congestion.
Our team worked closely with PT MRT Jakarta to ensure the welds met international safety standards. The project was completed on time, and the new line has been operating smoothly since its launch. Jakarta MRT officials highlighted the durability of the welds, which have withstood the high frequency of train movements and tropical weather conditions.
Challenge:
The client faced the challenge of welding materials of T62 and P65 rails. The welding process needed to meet the rigorous standards set by the railway authorities, ensuring optimal track performance, longevity, and safety.
Solution:
Our team collaborated closely with the client, thoroughly understanding their specific requirements. We provided them with our high-quality thermit welding materials, including welding kits, tailored to suit the T62 and P65 steel rail specifications.
Customer Satisfaction:
The client expressed utmost satisfaction with our thermit welding materials. They acknowledged the superior quality, reliability, and technical support provided by our team. Our materials played a crucial role in enabling them to deliver high-quality rail construction projects and meet the demands of the railway industry.
KTMB Railways aimed to improve connectivity across the city's suburbs. RMTS was selected as the most trusted supplier, providing 1000 aluminothermic welding materials for the new tracks, which included both underground and elevated sections. The project required precise welding to ensure smooth and safe operations, serving millions of passengers annually.
RMTS's welding materials were chosen for their ability to create strong, seamless joints that could withstand the humid climate and heavy usage. The project was completed ahead of schedule, and the new line has significantly reduced travel times for commuters.
A comprehensive range of thermite welding consumables and accessories — designed for Sweden's rail, metro, port, and industrial applications.
Get expert guidance, competitive pricing, and EN-compliant exothermic welding materials delivered to your Swedish project site. Contact our team today.
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