JOA Rotterdam
Tel: +31 (0)624334921
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Email: kai@justopenarch.com
Address: Schepenstraat 110A, 3039 NP, Rotterdam

JOA Toronto
Tel: +1 514 714 0284
Email: jordan@justopenarch.com
Address: 22 Leader Lane, Apt. 319, Toronto, Ontario, M5E 0B2

JOA Shanghai
Tel: +86 13482365941
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Email: kai@justopenarch.com
Address: 上海市黄埔区中山东二路88号,外滩SOHO大厦,C座23层