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title: Angstron / Global Graphene Group (Dayton) description: “Early US powder and battery-materials house. Dayton McCook Avenue.” tags:

• manufacturing

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Evidence: PitchBook / local press addresses. Holding-company names shift; the street is the useful fact.

Parent: directory

Site

Founded 2007 (Bor Jang) as Angstron Materials. Later holding language: Global Graphene Group (G3) over Angstron, Honeycomb Battery, Nanotek Instruments. Dayton press (2018) used 1235 McCook Ave for a demo; PitchBook HQ 1240 McCook Avenue, Dayton, OH 45404.

Powder, thermal films, silicon-anode and fire-resistant battery talk in company/trade copy. Private. Confirm the current SKU before quoting a tonne rating.