Charmgraphene (Suwon)

Evidence: company history page. “World’s largest” lines stay company language.

Parent: [[topics/manufacturing/east-asia]] · [[topics/manufacturing/directory]]

Site

CHARMGRAPHENE Co., Ltd. History page: established Aug 2010; name change and move to Suwon Mar 2019.

Directions page: A-dong B116, Suwon Venture Valley 2, 142-10 Saneop-ro 156-gil, Gwonseon-gu, Suwon. Komachine also lists Wongomae-ro, Yongin (equipment/office split possible).

What they say they run

• R2R CVD film on Cu foil; Graphene-Info long quoted 2 m/min, width 300 mm.
• Company history: 2019 high-speed R2R 300 mm, 1 m/min; 2024 Oct setup of wider tool — Cu 6 µm, width 600 mm, 1 m²/min in their wording, plus “world’s largest-width” — company claim.
• Heaters, shielding tape, EUV pellicle language (2023, 144×110 mm, 7 nm, 94% T) — company history, not a foundry qualification sheet.

Film and gadgets. Not a 4,000 t powder mill.