1.Ramps for cars 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 speed bump,use a steel bar or PVC 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,expensive screw purchase on the local markets.
TianTai Yuanda Traffic Material Co., Ltd is a group of researching development, manufacture, sale of roadway safety products. Set up in 2006 & formerly is An Kai Traffic Material Factory ( set up in 2000). We always complies human basement, trust target, and equipped with creative and double wins as our development ideal; we look offer the perfect and ideal products, best quality and kind service as our duty; customer means market, and market are what make us going on; we invite you to create better future with us.
1.We are Alibaba Assessed Gold Supplier. have strict quality and credit management system.
2.We are one company combined of trading and factory ,focus on studying and manufacturing security and protection products best production capability ,best quality control, best service.
3.100% QC inspection before shipment.
4. We try best to reach competitive price on the condition of the same quality
Karen
Oversea sales Dept.
Tiantai Yuanda Traffic Devoice Co., Ltd
WhatsApp / Ph: +86-17557292166
skype: joyshen0917
QQ : 1003102190
web: www.ydjtss.com