Contact For inquiries about the ボンズカジノ 楽天銀行ken Group, IR or recruitment, please use the form below. Your inquiry will be reviewed by one of our representatives who will get back to you within two business days. To contact us by phone, please call the number of the ボンズカジノ 楽天銀行ken business office nearest you. (Hours 9:00-17:00 excluding Saturdays, Sundays, public holidays and year-end and New Year's) sales@seibu-giken.co.jpir@seibu-giken.co.jpsaiyo@seibu-giken.co.jpsg-info@seibu-giken.co.jp Categories ProductServiceInvestor RelationsMedia requestRecruitmentOther Company name (if an individual, put "Individual") Location (Japanese prefecture or Country) Department/Division Full name Phone Number Email Address Message