Hydraulic door closer is a multifunctional hydraulic damping system that controls the flipping of the door body. The product collection includes functions such as horizontal opening positioning, automatic door closing, hydraulic buffering, damping anti pinch, and force locking, making the door control hardware system highly integrated< Br/> Derived hinge products include products with different installation methods such as E-type, Q-type, H-type, etc; It can also be installed and used in the rotating axis, and the hidden design makes the door body more concise< Br/> Due to different hydraulic load-bearing buffer forces, hinges are divided into two types: 25mm (5 inches) and 28mm (6 inches), with bearing capacities of 60kg and 80kg (double hinges), respectively< Br/>