Sao Tome and Principe HS Code

HS Code 391721: Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics : Tubes, pipes and hoses, rigid : Of polymers of ethylene in Sao Tome and Principe

Q: Is HS code 391721 the same across all countries?

Yes — up to the 6-digit level, HS code 391721 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Sao Tome and Principe extends it under HS-ST.

Q: What system does Sao Tome and Principe use to classify HS code 391721?

Sao Tome and Principe classifies products under the Pauta Aduaneira (HS-ST; locally Pauta Aduaneira), which extends HS codes to 8 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 391721 in Sao Tome and Principe?

The official source is https://www.alfandegas.gov.st/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 391721 in Sao Tome and Principe

Under Sao Tome and Principe's Pauta Aduaneira (Pauta Aduaneira), HS Code 391721 is the WCO Harmonized System subheading for Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics : Tubes, pipes and hoses, rigid : Of polymers of ethylene. This is the most detailed internationally standardized level; Sao Tome and Principe extends classifications to 8 digits under its national tariff system. 391721 belongs to Section VII: Plastics and articles thereof; rubber and articles thereof, Chapter 39: Plastics and articles thereof, Heading 3917: Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics.

Explore more 2026 Latest Sao Tome and Principe import export trade data and shipment records for HS Code Rigid Polyethylene Pipes on TradeInt global trade data platform

Classification Path of HS Code 391721 in Sao Tome and Principe

Section VII

Chapters (39-40) Plastics and articles thereof; rubber and articles thereof

Chapter 39

Plastics and articles thereof

HS Code 3917

Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics

HS Code 391721

Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics : Tubes, pipes and hoses, rigid : Of polymers of ethylene

HS Code 39172100

Tubos e seus acessórios (por exemplo, juntas, cotovelos, flanges, uniões), de plástico: Tubos rígidos: De polímeros de etileno

Sao Tome and Principe Tariff Classification: Pauta Aduaneira (HS-ST)

In Sao Tome and Principe, HS 391721 is classified under the Pauta Aduaneira (Pauta Aduaneira) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Pauta Aduaneira (HS-ST)

Local name Pauta Aduaneira

Digits 8

Official source https://www.alfandegas.gov.st/

You know what 391721 means. Now see 2026 latest real trade activity for Rigid Polyethylene Pipes in Sao Tome and Principe.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

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Top Trading Product of HS Code 3917

Top Sao Tome and Principe import Product Under HS Code 3917

1 391739: Other tubes, pipes and hoses : Other $157.0K 2 391740: Fittings $142.1K 3 391723: Tubes, pipes and hoses, rigid : Of polymers of vinyl chloride $71.7K

Figures shown for 2023.

For more 2026 recent data, search for Sao Tome and Principe import trade records

Top Sao Tome and Principe export Product Under HS Code 3917

1 391731: Other tubes, pipes and hoses : Flexible tubes, pipes and hoses, having a minimum burst pressure of 27,6 MPa $739 2 391740: Fittings $10

Figures shown for 2023.

For more 2026 recent data, search for Sao Tome and Principe export trade records

Related HS Code to Sao Tome and Principe Rigid Polyethylene Pipes (391721)

HS Code 39172100

Tubos e seus acessórios (por exemplo, juntas, cotovelos, flanges, uniões), de plástico: Tubos rígidos: De polímeros de etileno

HS Code 391710

Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics : Artificial guts (sausage casings) of hardened protein or of cellulosic materials

HS Code 391722

Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics : Tubes, pipes and hoses, rigid : Of polymers of propylene

HS Code 391723

Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics : Tubes, pipes and hoses, rigid : Of polymers of vinyl chloride

HS Code 391729

Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics : Tubes, pipes and hoses, rigid : Of other plastics

HS Code 391731

Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics : Other tubes, pipes and hoses : Flexible tubes, pipes and hoses, having a minimum burst pressure of 27,6 MPa

HS Code 391732

Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics : Other tubes, pipes and hoses : Other, not reinforced or otherwise combined with other materials, without fittings

HS Code 391733

HS Code 391739

Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics : Other tubes, pipes and hoses : Other

HS Code 391740

Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics : Fittings

Frequently Asked Questions

What is HS code 391721 in Sao Tome and Principe?

HS code 391721 covers Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics : Tubes, pipes and hoses, rigid : Of polymers of ethylene in Sao Tome and Principe. It sits in Chapter 39 (Plastics and articles thereof), Heading 3917 of the Harmonized System, and is classified under HS-ST.

Is HS code 391721 the same across all countries?

What system does Sao Tome and Principe use to classify HS code 391721?

Where can I officially look up HS code 391721 in Sao Tome and Principe?