We provide steam coal just available price base on FOB mother vessel or barge.
here is specification of GCV: 6300-6100 :

TM (arb)          26%
IM                  10%
ASH               12%
TS                  1% 
VM                45%
FC                 45%
GCV             6300-6100
HGI                44 - 47
Size 0-50 mm 85%