01. High temperature electrostatic spry: The surface of the chains is treated by High temperature electrostatic spry, which makes the color last longer than painting.

02. Flexible design: adopt  flexible design, integral installation, convenient, save space and easy to store.

03. Thicken material: titanium magnesium alloy, thicker & stronger than others, but lighter. stability is better.

04. Aluminium profile step: double faced Aluminium profile step, loading is 2 times than steel, won't rust. Resistant to corrosion, very safe.