High quality products & Worldwide delivery

Sopatro provides you with everything you need from one supplier. Our unrivalled product range and unbeatable freight facility will meet and exceed your expectations. Rest …


Produal and HK Instruments have started working together as a joint venture since 2021.

Two building automation field players have started close strategic co-operation as Produal’s owner Produal Holding Oy acquires measuring device company HK Instruments. Both companies continue …


HK Instruments, A successful family business with over 30 years of experience

High-quality measuring devices for clean indoor air HK Instruments is a Finnish company that helps its customers to keep the quality of indoor air and …