Unicrumba, companies guard their off-take details very closely. The other graphite company that just pipped KNL to the post in terms of being the first of it's kind to sign a graphite off-take was Focus Graphite (announced 19th Dec, so they just beat KNL by a day or so) also doesn't announce who the buyer is, apart from vague references.
"The specific terms of the agreement, including pricing and renewal rights, are confidential for competitive reasons."
Here is the link to that announcement (Canadian company) for anyone interested.
