Welcome to Green Oak
"Green oak" symbolizes the heaven's tree which connect between the earth and heaven. With the motto of "Love, thank & live together with the green nature", we ill be the best environmentally friendly company.
Thank you very much.

2008.04 Company started
2008.05 Factory opened
2008.05 ISO9001, 14001 certified
2008.05 R&D Laboratory certified
2008.06 Pre-Venture company certified
2008.09 Applied for government task
2009.03 Delivery agreement to daegu-si
2009.03 Delivery agreement to petnara.Inc, arong.Inc. etc.
2009.05 High concentration alkalic agent for cleaning wastewater
2010.03 Eco-friendly functional clay frame