... : 231-955-3With high quality for coarse, medium and fine amorphous graphite.Sanming Coffer Fine Chemical Industrial Co., Ltd. specializes in researching, developing ... Super-fine Guanidine Nitrate, Cupric Nitrate basic, Ammonium Nitrate phase stabilized, Super-fine Cupric Oxide, 2,4-DNT and amorphous graphite,etc. amorphous graphite