Collapsible door spring that supplies by us is made by us very high quality material. We are one of the top collapsible door spring manufacturers and wire form spring suppliers. more...
Single Spring Floor Hinge Over 5, 00, 000 cycles tested. General design, suitable for left or right hand to open the door in single and both sides. Used low temp. hydraulic oil for any climate operation and constant lubrication. Suitable for door weight from 70-90kgs. Suitablemore...