1. Since the hinge hinge is to be installed now, the position of the hinge must be determined. How many are installed? How much spacing is it? What is the width, etc., you need to compare it in advance to make sure.2. After the comparison, it is necessary to mark the hole position for installing the

1. If you need to adjust the slow-down speed, then you can adjust it through the nut holes at the upper and lower ends of the hinge hinge. Generally, use the hexagon socket head screw to rotate, turn left or right, respectively, corresponding to the adjustment of the hinge. The hydraulic pressure an