Compare top data SIM plans in minutes
We curate offers from China Mobile, China Unicom, China Telecom, and MVNO partners, combining field tests, pricing updates, and usage guidance so you can decide with confidence.
Scan to activate your data SIM
Share your details in 3 minutes and get connected within 24 hours
Can't scan now? Save the QR code and open it in WeChat later.
Share requirements
Scan and tell us your scenario, data needs, and delivery info
Advisor confirms
Within 30 minutes we verify documents and lock in current promos
Activate and go live
Receive the SIM via courier or pickup, with remote activation support
Hotline
400-123-4567
Add and note “FlowCard” for priority support.
Advisor WeChat
flowcard-help
Add and note “FlowCard” for priority support.
Carriers and brands we cover
Guide metrics
Data that powers your decision
We log plan updates and user activity to surface what matters most.
Plans tracked
Users assisted
Carriers monitored
Who we help
Covering both life and work use cases
Find the plan that matches your situation.
Remote professionals
Need reliable uplink on the road—look at coverage and support SLAs.
Short-term housing
Skip fixed broadband—focus on device compatibility and billing cycles.
Livestream studios
Require redundancy during peak traffic—watch for throttle policies.
Smart hardware
Cameras, POS, kiosks—prioritize long-term stability and alerts.
International travelers
Prefer ready-to-use roaming—check activation steps and fair-use limits.
Home backup
Keep households online during outages—compare sharing and renewal ease.
Start comparing plans
Choose a scenario or ranking board and build your shortlist in minutes.
User stories
How people use FlowCard Guide
Li Chen
Travel BloggerI compared plans before my Yunnan trip and booked a short-term SIM without chasing customer service.
Wang Yu
Remote Team LeadSaved plans remind my team when it’s time to renew—meetings stay smooth wherever we are.
Chen Lu
Livestream OperationsThe throttle notes on each card are super clear, so peak shows no longer buffer.
Liu Hang
Logistics DispatcherScenario filters surfaced multi-device plans that keep our warehouse and fleet online.
Zhang Qi
International StudentActivation walkthroughs made returning-home prep easy—every step had screenshots.
Zhao Qian
Content CreatorI follow discount alerts in Favorites so I can switch plans before promos expire.
Sun Jie
IT OperationsWe needed a backup line—the crowd-sourced speed data gave me confidence to deploy it.
Wu Min
Hotel ManagerThe IoT section pointed out which SIMs keep our self-check-in kiosks online.
Zhou Yang
RV TravelerRoute planning tips suggested backup SIMs for remote stretches—no more dead zones.
Zheng Nan
IoT Solution ProviderAPI and fleet management summaries saved us hours of research for client rollouts.
Hu Xiao
Cross-border SellerTransparency on reseller pricing helps us budget livestream operations better.
Ma Lei
Financial ConsultantThe cost estimator showed exactly how much our team could save over the year.
FAQ
What to know before you choose
