Ningxia Lingyun Chemical Co.,Ltd mainly deals in chemicals, metals and minerals, such as dicyandiamide, activated carbon, silicon carbide, calcium carbide, silcon calcium, ferro silicon, magnesium ingots, silicon-calcium-barium, Fe-Si-Mg, carbon additive, silicon calcium cord-wire, desulfurizing agent, potato products. We will keep on providing you most excellent and professional service as well as products with high quality and reasonable price. Warmly welcome ...