They have been selling on the Amazon.co.jp marketplace since 2014.
ATEN Store【インボイス対応・適格事業者】 business name, phone number, address, and email might be available on their profile on Amazon. For customer service, returns, refunds, and other issues, contact Amazon.co.jp.
For most recent reviews checkout ATEN Store【インボイス対応・適格事業者】 profile on Amazon.co.jp. Previously known as ATEN Store 4/26-5/6 GW休業【インボイス対応・適格事業者】, ATEN Store【12/26-1/5冬季休業 適格事業者・インボイス対応】, ATEN Store【適格事業者・インボイス対応】, and have since changed the seller name.