In Vietnam, Longan tree is grown quite commonly along the length of the country from North to South. Logan trunk, crooked, many branches and canopy. The fresh wood of the Longan tree is reddish-brown or yellow-brown. In addition, Longan trees are also exploited to make firewood, charcoal, and handicrafts. The large wooden body will be used to make handicrafts, the medium and small body will be exploited for Longan charcoal. Specification of LONGAN charcoal Moisture content: .75% Ash content: 2.72% Volatile matter content: 28.17% Fixed carbon content: 69.11% Calorific value: 7216 kcal/kg Burning time: 3.5 - 4 hours Dimension of LONGAN charcoal Shape: Round stick Diameter: 3-8 cm Length: cut as customer's request (15-20 cm)