2010. 08. 23  Certified Venture Company

2009. 07  Agency contract with Geonpoong Bio

2008. 12  Product launch - Samdaeo Gold
2008. 09  Agency contract  with Yuhan Corporation
2008. 07  Patent submitted for "Mineral water from underwater lava sources"

2007. 12  Company name changed to Changjo Biotech Inc.
2007. 10  Patent submitted for "Green tea produced with desalinated subterranean water"
2007. 10  Patent submitted for "Mineral water composites using mineral water composite production"
2007. 08  Agency contract with Seongam Industries
2007. 06  Agency contract with Purina Pet Food

2006. 04  Product launch - Super Lacto EV and Super Lacto products
2006. 02  Official registration of Laepia Tech Inc. Central Research Labs (Korea Industry Technology Association)
2006. 01  Founding of Laepia Tech Inc. Central Research Labs

2005. 12  R&D of industrial materials and commercial products using Jeju Island's lava sea water
2005. 12  Patent submitted for "Miamiensis avidus insecticide composite using butyl aldehyde"
2005. 11  Agency contract with Eaglevet
2005. 11  Patent submitted for "Miamiensis avidus insecticide composite containing pinetree  node extracts 
               as effective ingredients"
2005. 07  Patent submitted for "Lactobacillus with streptococcosis inhibiting and preventive effects, 
               and fish feed additives containing such materials"
2005. 04  Development of 'Super Lacto EV' and 'Super Lacto'

2004. 03  Development of antibiotic substitutes using antibiotic properties from lactic acid bacteria
2004. 01  Exclusive agency contract with Korean U-Pharm for Jeju Island

2002. 02  Patent approved for “Liquefied fermented tangerine as fish feed additives and production methods"
2002. 02  Product launch - multi-functional feed additive Samdaeo

2001. 07  Established Laepia Tech Inc.
2001. 02  Development of fish feed additive 'Samdaeo'

2000. 11  Patent submitted for “Liquefied fermented tangerine as fish feed additives and production methods"