High heating value,Smokeless,Odorless,Energy saving and environmental protection,Low ash content ... Time3-4hours Diameter48mm Hole Diamete6mmCarbonization Temperature800 °CFeaturesHigh heating value,Smokeless,Odorless,Energy saving and environmental protection,Low ash content and ... Boxes Q'ty:2200BoxesUsage:In daily life: mainly applied to barbecue, hot pot, water purification, to keep warm, etc.In ...