Top page 　 　　　Slip foam construction method 　　　　　Meishi Takahataishi 　　　　　Traffic information 　　　　　Inquiries Former Takahata Station is a symbolic building made of Takahata stone. 2180-3 Akutsu, Takahata-cho, Higashiokitama -gun, Yamagata 992-0302 Phone 0238-52-2467 FAX 0238-52-2455 E-mail info@koyanagawa.co.jp ■ Greetings 　In the turbulent 21st century, in an era of change and reform, how to respond to and respond to customer needs in an uncertain situation. I want to work on a daily basis with the goal of being a company that is said to be We appreciate your continued guidance and patronage. Here, I would like to introduce a part of our business. ■ History ■ September 1, 2000 Established Koyanagawa Stone Co., Ltd. ■ February 1, 2003 Changed company name to Koyanagawa Co., Ltd. ■ July 6, 2004 Changed company name to Koyanagawa Co. , Ltd. ■ Business information ■ Various construction by slip foam method,　owned machine catalog (PDF 25MB) ■ Mining, wholesale, rough stone sales, processing, construction of Takahata stone ■ Update information ■ March 18, 2014　Slip foam construction method　photo updated, owned machine catalog (PDF 25MB) posted Top page 　 　　　Slip foam construction method 　　　　　Meishi Takahataishi 　　　　　Traffic information 　　　　　Inquiries