It's certificated as high-new technology in Henan province as well, the processing with above in high temperature. It also has different excellence like:

It does not need any chemical colouring matter to add on during coated abrasives producing, therefore, it is saving your money, and it also is environmental，the water affinity of abrasive grains is increased;

These grains are specially used in process of high-grade bonded abrasives and coated abrasives.