Somos Leister


A Leister Technologies AG desenvolve produtos e sistemas para soldagem de plástico e aplicações de calor de processo. Com nossas tecnologias como ar quente, laser e infravermelho, e nossa paixão por soluções inovadoras, somos capazes de influenciar significativamente nosso segmento de mercado e estabelecer padrões em todo o mundo.

Our employees are proud to produce high-quality premium products with strong, reliable performance. Close cooperation with our worldwide customers, sales partners and suppliers is essential for mutual success. Local experts provide sales and service support to our customers in over 100 countries. Eight country subsidiaries and 130 sales and service partners guarantee our worldwide presence and customer proximity.

Professional and home use

Extrusion welders, blowers and heat guns from Leister are in demand worldwide and in use everywhere to thermally join or form plastics in apparatus and container construction. They impress with their welding consistency and process safety. Applications include 3D printing with an automated extruder on a robotic arm, aquaculture construction and repair or hard plastic boats, inflatable boats, as well as ballast and fresh water tanks made from plastic membranes.


When tunnels or landfills are built, the quality of the welded seam is the top priority. This is because leaks would have fatal consequences for people and the environment. Geomembranes made of PE that are used for the seam must therefore be welded tight in the long term. Welding machines and hot air blowers from Leister are used for this.



Infrared emitters

Infrared heaters from Leister are also used in various industries where fast response times and precise temperature control are required. Typical applications are laminating, thermoforming and riveting.


Laser welding

Leister laser systems are used for customized solutions and for industrial production. Leister has great expertise in the precise, durable and, above all, contamination-free joining of sensitive parts such as fluid-carrying components. Laser systems from Leister are also used for welding housings, for example rear lights of vehicles. Even different materials such as plastic and metal can be permanently joined with Leister lasers. All plastic laser solutions are customized, modular and economical application systems that Leister experts develop together with their customers.


Founded in 1949 as a sole proprietorship, Leister has grown continuously and has developed into a globally present and very successful company. Leister is the market leader in innovative technologies for processing plastics.


  • Karl Leister funda a empresa individual "Karl Leister Elektro-Gerätebau" em Solingen, Alemanha.


  • A empresa individual, Leister Process Technologies, com as divisões Leister e Axetris e as empresas nacionais, está em transição para uma estrutura de grupo.
  • Fundação da Leister Technologies AG


  • produto Leister inteligente GEOSTAR G7 LQS com gravação de parâmetros digitais


  • Início da iniciativa de transformação digital com o aplicativo myLeister e outros produtos IoT


  • Início das obras em Sarnen: Expansão do edifício da empresa e armazém de pequenas peças totalmente automatizado
  • Aquisição da Krelus AG para ampliar o portfólio de produtos Leister com aquecedores infravermelhos potentes
  • Academia Leister para formação especializada


  • Início da ampliação do edifício Sarnen e consolidação da produção na Leister Technologies AG em Sarnen


  • Lançamento da plataforma web myLeister com novos serviços digitais ao cliente

Facts and figures

Here is an overview of the most important facts and figures of our company.


  • 1949 como empresário em nome individual

Forma legal

  • 2011 - uma sociedade anónima


  • uma empresa do Grupo Leister


  • cerca de 400 na Suíça, dos quais 15\nre em investigação e desenvolvimento

Quota de exportação

  • 98%


  • Sarnen, Suíça
  • Xangai, China


  • 8 empresas nacionais em 3 continentes
  • 130 distribuidores com centros de vendas e serviços em 100 países

Portfólio de produtos

  • Componentes, sistemas, dispositivos, máquinas

Production and logistics

Our production sites in Switzerland and China are an important part of our value chain. In order to always guarantee high quality, we strive for long-term partnerships throughout the entire supply chain and enter into quality agreements with our suppliers.