Kruunu - the Crown - brand stands for quality Finnish wood products.

Länkelin Oy is a manufacturer of Kruunu Windows and appreciated by construction professionals in Finland. The company's main customers are construction companies and companies that provide packaged houses. Windows and doors are manufactured custom-made for challenging applications and to meet the customers' needs.

High quality Kruunu Timber Frames are manufactured by Kruunu Elementti Oy. Kruunu Timber Frames are build in all types, specializing in large-panel construction. Our company is one of the most prominent timber frame manufacturers in Finland.

We provide also installation services for windows, doors and timber frames.