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: handle,hinge,hardware of windows,hardware of doors,lock,roller,transmissiom bar,tilt&turn of pvc window,tile&turn of aluminium window,handles,hinges,locks,roller wheel,transmission shaft,handles for door,handles for window,hinges for door,hinges for window,locks for door,locks for window,hardware of door,hardware of window,transmission bar,handles bar