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*AfterShip provides package tracking services only. For inquiries about order details, please contact your retailer.

Advance features

AfterShip Tracking
Auto-import shipments

Import shipments in seconds: CSV or App Sync

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Powerful multi-carrier tracking APIs

🌍 Global: 1K+ carriers, 52+ languages ✅ Accuracy: 7 main & 33 sub-statuses 🔒 Integrity: AI-driven pattern recognition ⚡ Reliability: 99.99% uptime, ISO/SOC2/GDPR
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EC-Firstclass (ChuKou1 / CK1) provides international fulfilment service and overseas warehouse for e-commerce retailers in China. With EC-Firstclass, retailers can enjoy discounted shipping fee of DHL, UPS, FedEx and postal services including Hong Kong Post, USPS, Royal Mail, China Post, Bpost.

Chukou1 Customer Reviews

4.01 246 ratings
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N Nicholas Hernandez Verified This review is verified by AfterShip Reviews app. Click to learn more about AfterShip Reviews.
thank you Delivered on time.
J Jennifer Turner Verified This review is verified by AfterShip Reviews app. Click to learn more about AfterShip Reviews.
Contacted before delivery. Friendly service. Well protected parcel. Left parcel in a safe place. Delivered on time.
J Joseph Mathews Verified This review is verified by AfterShip Reviews app. Click to learn more about AfterShip Reviews.
Left parcel in a safe place.
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Enhance the entire post-purchase experience with AfterShip

Integrate Chukou1 and Multi-Carrier Tracking APIs

Easily integrate shipment tracking into your system or website for a seamless tracking experience. AfterShip's tracking API allows you to offer shipment visibility across multiple touchpoints without stretching your development resources.
  • Global coverage: 1,100+ carrier integrations and 52+ languages
  • Accuracy: Normalized data and standardized 7 main-statuses and 33 sub-statuses
  • Data integrity: AI helps recognize new tracking number patterns
  • Uptime & Reliability: 99.99%+ uptime, ISO 27001, SOC2, and GDPR compliance
Learn more about Chukou1 integration >