The concept based on the earth is almost infinite. That's why I'm motivated. We will continue to pursue possibilities with the theme of a new future . 956-12 Hitakatsu, Kamitsushima-machi, Tsushima-shi, Nagasaki 817-1701 TEL number 0920-86-2695 FAX number 0920-86-3280 General information: ohkawa@mocha.ocn.ne.jp OHKAWA CONSTRUCTION Co., Ltd. (2008) Link to index.htm