路沿石模具是用来生产水泥预制路沿石的模具模型。而路沿石是指用花岗岩材质或水泥预制制作的用在路面边缘的界石，路沿石也被称为道牙石或路边石、路牙石。路沿石模具的材质一般分为塑料注塑成型还有钣金钢模具成型，生产原理是将混凝土倒入模具内，等水泥凝固后在进行拆模或脱模成型，塑料路沿石模具主要采用工程聚丙PP注塑成型，材质直接影响模具的使用寿命。
The curb stone mold is used to produce cement precast curb model. The roadside stone refers to the boundary stone which is made up of granite material or cement prefabricated and used on the edge of the road. The road side stone is also called "Dao Shi" or "roadside stone" and "road stone". The material of the road along the stone is usually divided into plastic injection molding and sheet metal die molding. The production principle is to pour the concrete into the mold. After the cement is solidified, the mould is dismantled or moulded. The plastic road along the stone is mainly used for the injection molding of PP. The material directly affects the service life of the mold.