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General information

R&P Company “Welding technologies” LLC develops and manufactures equipment for electric resistance welding of railway and tram rails, including heavy electric welding equipment, as well as equipment for the steel factories and the subway needs.

Our company develops and delivers mobile and stationary rail welding systems, taking into account latest scientific and technological developments in the field of mechanical engineering, welding equipment and control systems.


The specialists of our engineering department are highly qualified and have excellent professional training, which allows us to solve the most complex tasks in various industries where electric resistance welding is required. We offer professional training for the specialists of our customer companies based on our enterprise. We provide training of our equipment as well as equipment from other manufacturers, according to agreed programs, including a theoretical course and practical training on the equipment of rail welding systems.

Our company actively cooperates with the All-Russian Research Institute of Railway Transport.

Constant cooperation with Russian Railways JSC and its structural units, with Modern Welding Technologies LLC, on the supply of rail welding equipment, spare parts and equipment, as well as the equipment repair not only of our own production, allows the company to constantly strengthen existing knowledge and make the necessary modifications of the equipment in order to improve the consumer properties of products and continuously improve the quality management systems.

Primary company activities

  • Development, design and manufacturing of heavy electric welding equipment
  • Manufacturing of container type mobile rail welding systems and combined road-railway systems
  • Development, design and manufacturing of equipment for metallurgy enterprises
  • Development, design and manufacturing of equipment for resistance spot welding
  • Manufacturing of spare parts for rail welding equipment
  • Development, production and complex supply of technologically complex parts and equipment, including equipment developed by the Customer
  • Machining of parts
  • Manufacturing of fitment, including fitment developed by the Customer
  • Manufacturing of metal structures and non-standard equipment according to the drawings of the Customer

Region supplier

Certified company

Modern young company

The best on the market


Since the Europe's largest Plant - "TESO" establishment in 1973 in Pskov, the city had become the main region for the development, design and manufacturing of heavy electric welding equipment. It was the Pskov specialists, who could compete with the Kakhovka Electric Welding Equipment Plant, who developed projects of equipment systems, lines, units and machines that provide mechanization and automation of welding work in metallurgy, mechanical engineering and the construction industry and integrated them to production process. However, “Perestroika” and economic recession that began in 1990, the lack of competent management and market conditions understanding, made their own adjustments, which, despite the solid store of knowledge and technical specialists’ experience, did not allow the enterprise to be saved.

In 2018 in Pskov region which has grown a large number of specialists capable of manufacturing welding equipment, “Research and production company” Welding technologies” LLC (“NPP “ST” LLC) was established.

The experience of the Kakhovka Electric Welding Equipment Plant, the TESO Plant, and the Pskovelectrosvar Plant was taken into account in establishing “Research and production company” Welding technologies” LLC. Moreover, experienced management team and highly qualified technical specialists (more than 80% of the company's employees have many years of experience at the Pskovelectrosvar Plant), allowed the modernized young modern enterprise to quickly but firmly take its place in the heavy electric welding equipment market.

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