步骤 4
电源・通讯・SIM
此信息更新至 2026/08/11。
※ 通讯环境可能因地区和时期而异。
电压与插座类型
电压差异与插座形状
⚡220V / 50Hz
🔌Type A / C / I(多规格插座)
🔄建议携带万用转接头
💡Most outlets accept US/Japan and European plugs without adapter.
SIM卡购买方式
机场与市区的SIM卡购买流程与费用
运营商: China Mobile, China Unicom, China Telecom
eSIM与移动Wi-Fi
eSIM支持情况与Wi-Fi租赁选择
📶Limited — International eSIM providers only
🏢Airalo, Ubigi, eSIM2Fly
💰$8-30 for 1-10GB / 7-30 days
💡Chinese carriers do not support foreign eSIM; use Airalo with VPN included.
Wi-Fi环境
公共Wi-Fi普及状况与安全性
📡good
🏨Available in all hotels; often requires phone number verification
☕Free in cafes, malls, airports, and train stations
💡VPN needed for Google, Facebook, etc.; hotel WiFi may bypass the firewall.
网络限制与VPN
社交媒体与网站的访问限制及VPN需求
🔒heavy
🚫Google, Facebook, YouTube, WhatsApp, Instagram, Twitter/X, Wikipedia, many Western services
🛡️建议使用VPN。
💡Download and configure VPN before entering China; most VPN websites are blocked inside.
实用当地App
交通、翻译、地图等便利应用
🚗DiDi, Amap (Gaode), metro apps
🗺️Baidu Maps, Amap (Google Maps blocked)
💬WeChat (essential for everything), Alipay
💡WeChat is mandatory - payments, communication, and services all-in-one.
国际电话
拨打国际电话的方式与通话App
📞+86 (China)
🆘110 (Police), 120 (Ambulance), 119 (Fire)
📲Dial 00 + country code + number for international calls
💡VoIP apps (WhatsApp, Skype) may be blocked; use WeChat for calls.