Usage: BBQ,HookahApplication: Furnace,burner, industry, restaurant, barbeques(BBQ), barbecue,cooking,Hookah,shisha.Shape: quadrilateral orhexagonAsh Content(%):2%Inner Hole: 0.8cm -1.2cmOutside:3.7cmLength: 5cm- 40cm20'AdditionalInfoPacking:10kg/cartonwith poly bag insideProductionCapacity: 300Tons per MonthOrigin:China Producingprocess:crushing raw material =>material drying(rolling,airdriving)=>high temperature,high pressure,shapingprocess=>sticks packed in klin=>high tempcarbonization(950degree,25days,or as your requirement)=>takingout and packing Company:Long Jun machine-made charcoalfactory We offerfree samples, with shipping and taxes paid by the buyer.