White charcoal Longan - Lychee (Binchotan) Charcoal burns for a long time and is especially non-explosive, and safe to use. By choosing to buy coffee charcoal, you save money because the price is relatively cheap but it is highly effective when used. Longan is a fruit and woody tree grown quite commonly along the length of Vietnam. The area for growing longan lychee grows quite quickly due to high economic efficiency. Longan lychee wood is also exploited and used to produce black charcoal and Binchotan white charcoal. It is a tree with many branches and a sturdy trunk. Longan white charcoal always meets export standards. White charcoal is often very popular in the Korean and Japanese markets.