Export Grade-A charcoal quality standard: smokeless, non-toxic, tasteless, surface looks smooth and flawless. Machine-made CharcoalExport Grade-A charcoal quality standard: smokeless, non-toxic, tasteless, surface looks smooth and flawless, no explode, fire quickly, burning time: 4-5 hours, easy deliming, white ash, the content of ash: 2.6% -3.6 %, calorific value:7600-8600 kcal, moisture content ...