AH, China— seaport.
CNTNO is the UN/LOCODE for Tanggou, AH, China — a seaport. The code is used on Shipping Bills, Bills of Lading, GST e-invoices and other international trade documents.
Yes — Tanggou (CNTNO) is a UN/LOCODE recognised destination. Indian exporters list CNTNO as the port of discharge / final destination on Shipping Bills, Bills of Lading and GST e-invoices when shipping to China.
Tanggou is located in AH. Use UN/LOCODE CNTNO in any customs or trade document referencing this location.
Use CNTNO on Shipping Bills filed at ICEGATE, GST e-invoices when goods are dispatched to or from this port, Bill of Lading port-of-loading / port-of-discharge fields, and on any export documentation that references a UN/LOCODE.
© 2026 Manudocs Private Limited · All rights reserved.
Aligned with Maritime India Vision 2030 · Built in India