SDG homepage was renewal.
2006.10.10
Why is hydrogen getting attention as the future energy source?
How can hydrogen be applied in our daily lives?
Is the use of acetylene as an industrial gas being reduced?
Has acetylene ever been used for special effects?
-- Family site --
PungGuk Ethanol Inc.
Sundo Chemistry Inc.
Sundo Industry Inc.
Hwashin Chemical Co., Ltd.
