... hardwood charcoal 800 degree carbonization charcoal 100% all nature buring longer 25 years manufacture experence ... Product specifications: Exterior diameter 35-40 mm3 Length 100 mm or more.4 Quality parameters: Fixed carbon ... 25, 20-foot standard containers can hold about 1,100 boxes, 2,200 boxes of 40-foot standard ... enjoyed great reputation.Hard wood charcoal 100% nature hardwood machine made charcoal