The oilstones produced by our company include brown corundum(A), whitecorundum(WA), black carborundum(C), green carborundum(GC)etc.
我公司生产的油石有棕刚玉（A）、白刚玉（WA）、黑碳化硅（C）、绿碳化硅（GC）等材质。
2
Our company exports whitecorundum products perennially to Japan, Korea, Europe and the United States and other countries and regions.
我公司常年向日本、韩国、欧美等国家和地区出口白刚玉产品。
3
White fused alumina for sandblasting abrasive is processed by high quality corundum from Rui Shi abrasive Plant as raw material and utilized by unique advanced technology.