In fact, door closer is a mechanism that usually place on the top of the door to cause the door close slowly.One of the main differences of our door closers is that we use fire proof hydraulic oil. Although this feature is not obvious but it is so important in the case of fire accident. Because fire-proof oils are not flammable during a fire and prevent the fire from igniting. Our door closers are one of the best models on the market that have high strength and durability. These products have 3-years guarantee and their performance wouldn’t change after a long-term useness. Please note that weight of the door has effect on choosing the door closer. This model can support the light doors up to 80kg