What differences the Floor-Door Hinge of ILJIN? 1. This Floor-Door Hinge with cam drive system and Hydraulic cylinder works smoothly and there are no breakdowns, which the existing hinges have. 2. A variety of control functions and additional services A. 90 degree bi-directional static/non-static type B. 90 degree one-way static/non-static type C. 180 degree bi-directional static/non-static type D. 90 degree bi-directional static/non-static type E. Skyscraper type F. 360 degree one-way rotary type G. It has an excellent durability by passing one million KS test and you can use this to the temperature ranges between ?30 and 150 degree. 3. You can apply this hinge to different door weight from 5kg to 500kg just by changing the springs and we guarantee 100% compatibility with old models if you purchased the standard hinge models before. 4. The size is only 50% as small as the existing Hydraulic model and the visual is excellent and perfect. You can use the upper-installed Floor Hinge very easily by putting the hinge to the upper door flame and the floor is clean because it is installed to the upper door flame not floor, of course. Also, you don't need to adjust a closing-speed-controller of the door, which the existing hydraulic Floor-hinge has. 5. You can apply the Floor-Hinge to all machine, electronic and high technology products extensively. 6. We are able to produce the special high-value added Floor-Hinge and its average life span is five times longer than the existing Hydraulic model.