Low because there are fewer competitors and have different capabilities because they have a charcoal manufacturers made only minimal cassava. Most of the coal is produced from a shift from charcoal, coconut wood, coal or other types of bayetphan, which has a higher cost of charcoal sticks from cassava only. While there are no quality differences.As demand for energy products, because it is a continuing and increasingly high demands, and items can be stored for a long time if demand fluctuate at ก้สามา will be stored until sold, there is no problem over supply.High growth industry. Intense competition, there is little difference.
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