SEM is one of the world’s leading suppliers of ignition systems. With advanced technology we develop and produce special ignition systems for alternative fuel engines along with injector stators and sensors for a wide range of applications.

Ignition solutions from SEM has qualities that are in high demand across the globe and we are an acknowledged key player in chosen industrial markets.

With advanced technology we develop and produce special ignition systems for alternative fuel engines along with injector stators and sensors for a wide range of applications

Our market is global and includes manufacturers of heavy vehicles as well as producers of handheld equipment such as chainsaws and trimmers. SEM works in partnership with a number of the world’s leading companies.

Our main focus is ignition systems for engines using alternative fuels such as natural gas and biogas engines. We provide solutions for applications for both commercial and stationary engines.

Continuous product development over more than a full century has resulted in unique, patented solutions that are used in many of our products. Solid experience also provides the stability and continuity our customers seek.

With competent and committed employees in three continents, we constantly develop and improve our business to meet customer expectations. The work we perform is allways characterized by the customer’s needs, respect for the individual and resource efficiency.

In our world, quality is a shared responsibility, with our success entirely dependent on the attitude, commitment and performance of every employee.
Each employee on our team safeguards, supports and improves our processes so that we can meet and exceed the expectations of our customers.

Every little detail counts. Product properties are continuously being evaluated, along with customer service, delivery precision and overall customer satisfaction.

Today we are a highly-modern production operation offering technically advanced and cost effective production solutions from our plants in Sweden and China. We are certified in accordance with IATF16949 and ISO 14001. Our work environment is certified under OHSAS 18001.