铸造石一般就是指含石英砂的GRC水泥预制产品，类似仿汉白玉护栏，原料为GRC水泥、砂石、速凝剂等,将以上原料搅拌均匀后，倒入模具凝固成型。该工艺比较简单，因为是模具生产，可以大批量生产，使市政桥梁护栏景观成本大幅降低。
Foundry stone generally refers to GRC cement prefabricated products containing quartz sand, similar to Hanbaiyu guardrail. The raw materials are GRC cement, sand, accelerator, etc. After mixing the above raw zhengqifa.89ix.com mojusugmj.37ix.com.cn mojugg.37ix.com.cnhulan.37ix.com.cn jueyuanjian.37ix.com.cnxingtai.71ix.cnmaterials evenly, pour them into the mold to solidify and form. The process is relatively simple, because it is mold production, can be mass production, so that the cost of municipal bridge fence landscape is greatly reduced.