skype:dennis6758 x.x. steels fittings co.,ltd. was founded in 1996 .we are one of members of the china construction metal structure association (ccmsa) and is a state designated company for producing accessories for profile doors and windows.our company obtained iso9001 quality management standard certification in 2001.we are a professional maker on hardware for doors and windows. we look forward to offering you our best products and service. we hope we will build a bright future together with you. choose x.x.choose perfection. our products include: door handle,door hinge,door lock,window handle,window hinge,window lock,roller wheel,transmission shaft,tilt&turn of pvc window,tile&turn of aluminium window,pvc door handle,pvc door hinge,pvc window handle,pvc window hinge,aluminium door handle,aluminium window handle,aluminium window hinge,aluminium door hinge.pvc door lock,pvc window lock.