Qingdao Nanxi Import And Export Co., Ltd.
[ Trader ]Main business are Brown fused alumina, White fused alumina, Hi-al fused alumina, Vermiculite, Expanded vermiculite, Perlite, Andalusite, Fused quartz, Fluorspar, Silicon metal, Silicon metal powder, Black silicon carbide, Green silicon carbide, Silicon nitride bauxite, Cal