五莲灰（오련회）花岗岩是世界上最著名的花岗岩石种之一，可以作为巨型刻字门牌石、板材、地铺、台面、雕刻、工程外墙板、室内墙面板、地板、广场工程板、环境装饰路沿石等各种建筑和庭园石材的材料。
Wulian grey granite is one of the most famous granite types in the world, and can be used as materials for various building and garden stones such as giant lettering doorplate stone, plate, floor covering, table top, carving, engineering exterior wall plate, indoor The Wall panel, floor, square Engineering Slab, environmental decoration Road Traffic Stone, etc.