Experts in machining and thermal spraying

At Koy Coating we offer a complete workshop with contract manufacturing of machine components including machining, surface coating with thermal spraying, and grinding – all under one roof.

For you as a customer, this means several advantages, including shorter lead times because you only have one supplier to deal with.




We prioritize sustainability in several areas. Through continuous improvements, we try to reduce our footprint in the world. Thermal spraying can extend the life of products and reduce the consumption of materials and energy.

– News –


Summer and holidays

Summer is finally here and we at Koy Coating will soon take a well-deserved vacation. We will be closed for the holidays and enjoy sunny

Lennart Zetterlund

Many advantages of PTA welding

Did you know that there are several differences between PTA welding and regular welding? PTA, which stands for Plasma Transferred Arc, is a continuous welding