Contact
Contact us
Whether you are asking about a product, discussing a partnership, or need technical support, you can reach us through the channels below.
Emailhello@85ai.appGeneral enquiries and partnershipsPhone / WhatsApp+852 9716 2944Answered during office hours
Registered addressRoom 311, 3/F, Block G, Kwai Shing Industrial Building Phase 2, 42-46 Tai Lin Pai Road, Kwai Chung, Hong Kong, Hong Kong SARAddress on the Business Registration CertificateView on map ↗
Office hoursMonday to Friday, 10:00-18:00 (Hong Kong time)Response time：Within 2 business days
Product support
If you run into a product issue, please include the application name, device model and OS version, and a short description. We will follow up as soon as possible.
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