Ko-ken Tool is the tool manufacturer in Kakegawa City, Shizuoka Prefecture, Japan.
According to PR-model, koken-tool.co.jp is ranked 1,116,036th in multilingual Wikipedia, in particular this website is ranked 96,822nd in Japanese Wikipedia.
The website is placed before explorenigeria.com.ng and after potomac-airfield.com in the BestRef global ranking of the most important sources of Wikipedia.
