Gas Calcined Anthracite Coal/Carbon Additive GCA03 High Carbon >95.00% Low Sulphur <0.30% Size: ... 1-5 mm etc Gas Calcined Anthracite Coal(GCA) Carbon Additive/Carbon Raiser/CarburizerHigh Carbon >95.00%Low Sulphur <0.30 ... 250/MT-USD 320/MTCurrency AvailableUSDUSD,CNY,EUR,JPY Carbon Additive