Contacts
Contact us
One email address, the right humans behind it. Pick the topic and we route it to the team that can actually help.
Support & NOC
24×7 for existing customers via your support channel.
Subject "Support" · include your account ID
Visit us
Yihao Technology Co., Ltd.
8/85 Soi Chang Akat Uthit 15,
Don Mueang Subdistrict, Don Mueang District,
Bangkok, Thailand
Office hours: Monday–Friday, 9:00–18:00 (ICT).
Facility tours by appointment — customers and press welcome.
FAQ
Questions and answers
How fast do you reply?
Sales and general inquiries: within one business day. Customer emergencies: 24×7 through the NOC channel.
Can I visit without an appointment?
Please book first — the facility has biometric access control and we can’t admit walk-ins. Tours are easy to arrange by email.
I’m not a customer. Can you still help?
For pre-sales technical questions, absolutely — an engineer will answer. For abuse or security reports, use the contacts above; they go straight to the desk that handles them.
Start your journey today
Tell us about your workload — an engineer, not a sales bot, will get back to you within one business day.