· Tolerance Because the material is made of steel, there is nothing unusual with excellent durability, water-resistance and heat-resistance such as low efficiency and quality as a result of rain, breaking road, and temperature change.
· preventing sound It displays the simultaneous preventing sound ability from low sound range to high sound range with transmission loss 29dB in 500Hz and 36dB in 1000Hz
· Economical efficiency It is a economical material which reduces construction cost and personnel expenses using assembly steel materials and enhances working efficiency.
· Appearance It is selected with appropriate colors which matches with surroundings
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