... /cras parking block1. One time forming, cold resistant, hot resistant, anti-impact, durable, With the water in it ... , railway, driveway, bridge in the traffic and toll station to warn the drivers, and reduce the accidents. 4 ... demands.Features:1.long time forming, cold resistant, hot resistant, anti-impact, not easy to old2.the ... reference: Our production shop:Our Macao Stadium: hot sale parking block