Dear Sir
We have coal mining, so we have to cooperation with some coal mining in Indonesia, we can supply large quantity and on regular basis whit GCV, specification as below:

GCV 6500 up Kcal/kg

GCV 6500-6300 Kcal/kg

GCV 6300-6100 Kcal/kg

GCV 6000-5800 Kcal/kg

GCV 5800-5600 Kcal/kg

GCV 5500-5300 Kcal/kg

GCV 5300-5100 Kcal/kg

if you are interesting in pls send us LOI for more detail and competitive price

Regards,
Roni