Dear sirs or madam,we are one of the largest state-owned coporation in China, engaging in I/E business included natural graphite, flouspar,silicon carbide, white(brown) aluminium oxide,coke,bauxite, bentonite,mica, kaolin.clay and their minerals and refractory materials.we are sure that you will be satisfied wiht our excellent service and high quality of our products.hope to cooperate soon.please contact for any inquiry.xi chao