HSL Group specializes in manufacturing and installing premium-quality modifiable partition walls, and we are one of the leading companies in our field in Finland. We are part of Harjavalta Oy whose other well-known brands include Puustelli kitchens and Kastelli houses. Our product range consists of walls made of wood, aluminium, glass, and traditional and sliding doors. Our products are used for example in offices, schools and libraries – basically anywhere where the demands of individual design and high-quality meet. Easy re-positioning of the walls is a key element, and we also offer you the service for making the desired layout changes happen. Our customers and affiliates include building contractors, building / property owners and developers, architects and end users. Contact us for more details at www.hslgroup.fi