About HaiHui

HaiHui is a digital eSIM store operated by NOVALOGISTRA S.R.L., a Romanian company registered in Constanţa, Romania.

Company ID (CUI): 52406983

Registration Number: J2025065066006

Contact: office@haihui.io | support@haihui.io
At HaiHui, we understand how expensive and inconvenient international roaming can be for travelers, remote workers, and frequent flyers. That’s why we offer flexible and affordable eSIM solutions that remove the need for physical SIM cards and keep you connected wherever you go.
Our eSIMs provide mobile data coverage in over 190 destinations worldwide, delivering reliable, high-quality connectivity with no hidden fees or long-term contracts. With instant delivery and simple activation, you can start using data on compatible devices within minutes of purchase.
Whether you’re traveling for business, leisure, or an extended stay abroad, HaiHui gives you the freedom to choose the plan that fits your needs, with transparent pricing, easy installation, and dependable global coverage.
We’re committed to helping you stay connected easily, affordably, and wherever your journey takes you.

Frequently Asked Questions

After purchase, you’ll receive a link and a QR code. Tap the iOS or Android button in the link and your eSIM will start activating. Alternatively, go to your device settings, select ‘Add Cellular Plan’, and scan the QR code to activate your eSIM.
Your eSIM data package typically expires based on the plan you purchased. Check your plan details for specific expiration dates.
Yes. Our eSIMs are digital products and are delivered instantly via email, worldwide.
You can purchase an eSIM plan directly from our store. After checkout, you'll receive your eSIM activation details via email.
On Android, tap the Android button in the link provided in the delivery email, or go to Settings > Network & Internet > Mobile Network > Add Carrier, then scan your eSIM QR code to complete installation.
Support

Need Help? We Offer 24/7, Multi-Language Support