The deadline for submission has been extended to Friday, September 12.
We look forward to receiving your registration.
Extension of the Submission Deadline
OPJ2025
sponsor
OPJ secretariat
C/O Adthree Publishing Co.,Ltd.
3F Sunrise Build Ⅱ,
5-20, Shinogawamachi,
Shinjuku-ku, Tokyo
162-0814
Phone 03-3528-9841
FAX 03-3528-9842
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