Our Products



Tilt & Turn Friction Hinges



Friction Stays



Parallel Friction Stays



Window Handles



Stages Friction Stay



Restrictive Friction Stay
We work with the principle of producing
quality, durable and reliable products
with the priority of customer satisfaction
BOSSY
Window Hardware Systems
BOSSY is a manufacturer of exterior friction stays, door&window handles, tilt and turn systems and other accessories. It is also the domestic manufacturer of friction stays used for aluminum window profiles.



About us
As BOSSY, we have been continuing to work and produce with great struggle to achieve this goal since our establishment in 2003, on the way we set out to become an international brand by offering innovative and technological products to the construction sector and the exterior accessories market.