We are specializing in making floor spring, floor hinge, door fitting, door hardwares. Floor spring Floor spring HC-6600, size 322*130*42mm

Suit for door Max width 1100mm, Max weight 135kgs; Door Max open angle is 116 degree, close is effective at 80 degree, fixed position is 90 degree; Two section speed regulation to satify different door closing needs in different applications; Build in depressing valve; Low-tempreture, anti-icing hydraulic oil used, ensuring normal closing speed under-40 degree air tempreture; In the concrete casing, width is adjustable by 5mm and length is adjustable by 6mm.