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...our business group. 1. The mother company, Seong Ha Corp. Owns the biggest amorphous graphite mine in Korea and has been supplying its graphite ore to the market both home and abroad for the past 50 years. 2. The subsidiary company, Graco Corp. Has been processing the graphite ore into carbon raiser...
Telephone82-2-66780800AddressRm 2026, Hyundae World Tower, 907 Mok 5-Dong,, Seoul, Seoul, Sou