Lanteky Security Technology
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- 200 Series Overhead Door Closers200 series overhead door closers are designed to be concealed within the transom header bar of the door. They are commonly used in larger office buildings, shopping centers, hotels and warehouses. These overhead door closers look similar to regular closers, but are much larger with the ability to withstand much more weight than regular ones....
- 330 Series Economical Door Closers330 series economical hydraulic door closers are universal models offering versatility and precise engineering performance. With fashion design, high quality hydraulic fluid and low freezing point, they can be operated smoothly at the temperature ranges from subzero 30℃ to 60℃. Their dual valves for closing and latching are easy to adjust and enable the door maintaining a smooth closing speed. 330 series hydraulic door closers are suitable for various commercial and residential uses, such as office ...