Shandong China Coal Industry & Mining Group Co.,Ltd
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ProductIntroduction
1) Speed bumps can be installed on the surface of asphalt roads and concrete roads.
2) To improve life span ,the road must be smooth.After drilling,clean up the holes and remove the dust,oil and debris from the holes.Using the special adhesive,put the bottom of the bump to the surface of the road
3) For A type road bumps,use a ateel bar or PVC pipe to link them up from the middle holes in order to strengthen the power of force resistance.
4) The fixer and the hole must be matched in size
5) Fixer for asphalt roads:expansive screw(standard parts,the customer can easily purchase on local market);fixer for concrete roads:bolt(standard parts, the customer can easily purchase on local market)