The hydraulic hinge is a door-closing technical system whose working principle is a hydraulic fluid moves from one box to another by passing through little spaces. The working process is the result of fluids under pressure. The two commonly used hydraulic hinges are clip on soft close hinge and fix-on hydraulic hinge. The 3d adjustable soft close hinge is currently popular with most families. The soft close door hinge could prevent the door, especially the wooden door, from rough damage. Browse this page, you could explore various door hinges for your wooden door.