日本建材・住宅設備産業協会 founded in 1949.
According to PR-model, kensankyo.org is ranked 1,882,726th in multilingual Wikipedia, in particular this website is ranked 163,445th in Japanese Wikipedia.
The website is placed before marocsa.net and after seattlepoetpopulist.org in the BestRef global ranking of the most important sources of Wikipedia.
