Base on world famous stone area -Shuitou, Quanzhou city,where 90% of world stone could be found here, that is the reason why our diamond segment are recognized and popular around the world. We are the member of Stone Association, we work with many stone manufacturers together, our diamond segments occupy a certain percentage in cutting high-level stones, such as marble, high grade imp... https://www.diamond-blade.org/category/diamond-segments/