
agritrade resources limited is the owner and operator of pt senamas energindo mineral (sem), a 2000-hectare coal mine in central kalimantan,... read more. coal source agritrade international pte ltd. source coal mines. since 2002, agritrade has been actively involved in coal mining operations in indonesia.,ptsenamas energindo mineral daikichisushifr,agritrade resources owns and operates senamas energindo mineral (sem), a 2,000-hectare coal mine in central kalimantan, indonesia. the coal produced is marketed under our own brand, sem coal, a sub-bituminous, low sulphur, low pollutant thermal coal with a calorific value (on an as-received basis) of approximately 3,800 kcal/kg in its raw form.