日本白墨工業 is the business founded in 1944.
According to PR-model, tenjin-chalk.co.jp is ranked 1,345,181st in multilingual Wikipedia, in particular this website is ranked 112,141st in Japanese Wikipedia.
The website is placed before luketravels.com and after town.obira.hokkaido.jp in the BestRef global ranking of the most important sources of Wikipedia.