NPG Ener­gy Sci­ence Co., Ltd.
10, Yeouidae­bang-ro 65-gil, Yeongde­ung­po-gu, Seoul, Repub­lic of Korea

Phone: +82–2‑6332–5001
FAX: +82–2‑6332–5002
E‑mail: npgenesci@gmail.com