| 2005 | Start trade business with Samsam Heavy Industry |
|---|---|
| 2005 | Make an exclusive sales contract with Morooka Co.,Ltd |
| 2006 | Submit for International Environmental Technology Exhibition : Morooka |
| 2007 | Submit for Recycling & Waste Management Exhibition: Morooka/Nakayama |
| 2007 | Submit for Korea International Construction Equipment Exhibition: Morooka/Nakayama |
| 2008 | Sumit for International Environmental on Exhibition Technologies and Products: Morooka/Nakayama |
| 2009 | stablishment of Samsam Trad |
| 2010 | Establishment of Honwon / Transfer Samsam THMS(Total Heavy Machine Service)’s Trade business to Honwon |
| 2010 | Submit for Naju forest industry exhibition |
| 2010 | Morooka forwarder free rental promotion to Forestry Agency Morooka forward free of charge support |
| 2010 | Cooperate development Project with KEPCO(Korea Electric Power Corperation): Mountain Mixer Carrier Truck |
| 2010 | Prize: Excellent firm for New Growth Engine |
| 2010 | 1st Prize: Environmental Friendly Management Company |
| 2010 | Make an exclusive sales contract with Nakayama Steel Works |
| 2011 | Make an exclusive sales contract with Uenotex |
| 2013 | Submit for Jinju International Agriculture and Food Expo |
| 2014 | Submit for Jinju International Agriculture and Food Expo |
| 2015 | Submit for Jinju International Agriculture and Food Expo |
| 2015 | Prize: Top Foreign Dealer Award from Morooka |
| 2019 | Samsam Trade / Transfer Honwon’s trading business to Samsam Trade |
| 2023 | Changed company name to GREEN WAVE |