EC-JOY ブックス is a Top Rated seller trusted by over a thousand Amazon.co.jp customers in Japan. They have been selling on the Amazon.co.jp marketplace since 2016. They sell in 文房具・オフィス用品 and 本 departments from 集英社, 高橋書店, 日本能率協会マネジメントセンター, 講談社, 博文館新社 and other brands. They have tens of thousands products in stock fulfilled from their own warehouse in 日本.
They are a Top 100 Amazon.co.jp seller, ranked 75th overall. However a month ago they were ranked 60th.