Hydraulic shock absorber has the following advantages:

1, with a self-regulating function, capable of forming a stable soft cushioning effect.
2, using a special treatment and special piston rod seal to avoid leakage of hydraulic oil, ensuring stable hydraulic shock absorber can be prolonged use.
3, the outer tube surface using a special treatment to protect, constitute strong fine layer, to avoid wear and rust.
4, externally threaded cylinder increases the heat dissipation area and convenient means sensitive.