Fabricant et fournisseur de Carbure de calcium, électrode en graphite, Cac2, carbone CPC, carbone GPC de la Chine, offrant Provides 50-80mm High-Purity Calcium Carbide, Uniform Lumps, Supplies High-Purity Lump Calcium Carbide, Stable Quality, Industrial-Grade Standard, 50-80mm Calcium Carbide Granules Offer High Reaction Efficiency and Transport Stability, Ideal for Industrial Acetylene Production. de qualité etc.