Feature:the whole system focuses on human design, mute drive rod was designed with scale,easy to calculate,which improve the installation accuracy of the hinge door system, the  accuracy is 2mm, rod can be connected in any position also locking point and bolt could be buckled in any length, to realize the multipoint locking function,besides, it could fasten anti-misoperation parts, which satisfy users various requirement.
PG Gear friction stay 57: easy installation and good sealing, no need to process the profile because the thickness meet the European C groove height 11.5mm, weight limit is 50KG. Use the gear to fix and insert friction stay into the groove with screw,make the sash tight. in the middle of the C groove is clip to prevent screw drop out from profile.