Assure to get a stable in term of supply and quality of raw material is a key to produce good quality of briquette. There are many cases the quality from one container to the other is vary and not stable due to the factory receive raw material from too many different suppliers. The question is how to control and manage quality from various suppliers ? This practice is very costly and end up with the non-competitive price, low quality, and problem in the production. We come into conclusion to have selected partners of raw material supplier yet reliable and professional. We train regularly our suppliers the process of converting coconut shells to charcoal includes removing all the moisture from raw material in a limited supply of air. It requires a special charcoal drum to carbonize the coconut shell and produce high quality charcoal.