Since founded in 1977, Daeyu company has put greater emphasis on research and development of better quality and less expensive foliar and irrigation fertilizers for higher marketable yield with the best quality of crops.
For the last 31 years, Daeyu has grown to be the professional company producing over 500 kinds of foliar and irrigation fertilizer with our motto : "The highest and Best Quality, Not the Largest." The result is that Daeyu has been encouraged and hailed from a great number of farmers.

For the first time in Korea, Daeyu was granted permission to have enterprise installation, Research Institute of Plant Nutrition by Korea Industrial Technology Association entrusted with full powers of the Ministry of Science and Technology in 1996. The Ministry of Agriculture and Forestry also designated Daeyu as a quality inspection agency on all kinds of fertilizer for the distribution to farmers in 1996.
Also Daeyu was certified as Pesticide effect field-test Research Institute in 1999, Micro-organism Pesticide Test Research Institute in 2000, Physico-Chemistry Test Research Institute in 2004, Fertilizer efficacy test research institute in 2008 by The Office of Rural Development, Competitive Power Technology company designated by Minor Enterprises Administration in 2008. And our manufacturing processes should be operated by ISO9001 & ISO14001 Quality Standards in 2001.

We take great pride in having the official certification on our research and technique capacity, experimental facilities and quality control activities.

We are now striving to continue our best for researching to make the highest quality fertilizers through the technical exchange with many fertilizer manufacturers in Germany, Japan and U.S.A. In order to enlarge our overseas market, our company is seeking potential partnership worldwide. We welcome you to join us! Thank you.