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日本Daiki 
日本DAIKI公司成立于1941年，主要生產關于農業實驗室器材和土壤測試儀器。在水土研究方面有著很好的建樹。其產品已經廣泛應用于世界多數國家和地區。
Daiki Rika Kogyo Co., Ltd. has engaged in manufacturing of physical and chemical apparatus, since it was founded in March,1941. In 1950, we had begun to design and produce soil physical instruments in cooperation with researchers of National Research Institute of Agriculture Engineer (at present, National Institute of Agro-Environmental Science).
From that time downward, we have engaged in the designing, manufacturing and marketing agricultural laboratory equipment and soil testing instruments.
We have aimed at making useful and high quality equipments and instruments for the people who research on "the Soil and the Water" through the whole world.
And we continue to make efforts in developing new products and improving products.
Through these years, we have received valuable academic advises, technical suggestions,from not only researchers but also supporters concerned.
We wish to express our warm thanks to all persons who have supported us till now.
Your continued support and encouragement will be greatly appreciated.