... sandstone,limestone.soft stone,brick and etc.segment type:K , V,taper,conical,grooved, multi-linestype,block,sandwich block,sandwich taper, ... the most commonly and high-tech cutting tools for the stone block. Cooperating with Grecian experts, we have successfully manufacture ... part of modern civilization. Wanlong has dedicated to stone cutting and stone application since 1993.Today, a daily average of ...