Dongguan Longji Plastic Electronic Co.,Ltd
Call us on:+86-769-89145676  E-mail:

Hot Products

  • China Longji Rotary Damper Manufacturer Used In Upspring Type Floor Socket
  • Vibration Mount Damper For Vacuum Cleaner
  • Little Swan Washing Machine Lid Hydralic Rotary Damper
  • Torque Can Be Customized By Changing Iol Viscosity
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Our main manufacturing equipment includes 20 injection molding machines, 5 automatic injection oil assembly machines, 2 oil injecting production lines, 2 laser carving machines, 5 high power ultrasonic drilling machines, 3 lathes, 8 milling machines, 4 grinding machines, 5 EDM machines and 1 machining center. Our main inspection equipment includes three-D coordinatograph, projectors, adjustment force testing frames and height masters. Our main clients are Samsung, LG, Foryou Group and Desay Group.

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About Us

Founded in 1997, Dongguan Longji plastic Electronic Co., Ltd. is a professional enterprise specializing in the design, production and assembly of dampers and latches. We are in the process of precision plastic electronic fittings, with registered capital of RMB 3million.


In the premise of ensuring the working cycle of the reversing valve, the speed of the reversing valve should be slowed down or opened to the oil inlet as far as possible. The method is: using damper at both ends of the reversing valve
During the two-dimensional sliding process, there are three cases or stages of complete viscous, local sliding and overall sliding
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    Address: Zhao Lin Jin Chuan Industrial Zone, Xiegang Town, Dong Guan City, Guang Dong Province, China
    Tel: +86-769-89145676
    Fax: 86-769-87681161
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