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Sound signaling equipment (HS 851230)

Sound signaling equipment (HS 851230) has 18,543 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. The largest U.S. importer of Sound signaling equipment is ROYAL PETROLEUM, with 1,305 shipments, followed by PRIORITY RORO SERVICES and TROPIGAS DE PUERTO RICO. The leading supplier is AUGUST AMBER HK LIMITED, with 3,604 shipments, followed by PRIORITY RORO SERVICES and DONGGUAN FYRNETICS CO LTD. Goods originate mainly from CHINA and VIRGIN ISLANDS, U.S., arriving primarily at SAN JUAN, PUERTO RICO. Import volume has risen over the past 12 months versus the prior year.

Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/851230-sound-signaling-equipment

See all 18,543 shipments of HS 851230 with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.

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Total shipments
18,543
First seen
Jan 2020
Last seen
Aug 2026
Origin countries
10

Shipments by month (last 24 months)

Sep 2024Aug 2026

Trade flow: top suppliers → U.S. importers

The strongest supplier-importer relationships for Sound signaling equipment (HS 851230), by shipment volume. Hover a ribbon for details; click a name to open its profile.

The largest relationship is PRIORITY RORO SERVICES → PRIORITY RORO SERVICES with 638 shipments, followed by PRIORITY RORO SERVICES → TROPIGAS DE PUERTO RICO (427) and PRIORITY RORO SERVICES → ROYAL PETROLEUM (398).

Top U.S. importers

ImporterShipments
ROYAL PETROLEUM1,305
PRIORITY RORO SERVICES1,302
TROPIGAS DE PUERTO RICO590
PETRO AIR CORP405
PEERLESS OIL CHEMICALS INC307
BEST PETROLEUM CORP278
KIDDE FRESNO DISTRIBUTION CENTER238
BEST PETROELUM CORP233
ROYAL CARIBBEAN CRUISES LTD192
PRIORITY RO RO SERVICES INC188
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Top suppliers

SupplierShipments
AUGUST AMBER HK LIMITED3,604
PRIORITY RORO SERVICES2,523
DONGGUAN FYRNETICS CO LTD971
O NEALE S TRANSPORT INC609
ROMASCO GROUP568
ONYX PETROLEUM CORP368
ROOTS INDUSTRIES INDIA LIMITED253
FRIENDZOIL LTD227
ROYAL CARIBBEAN CRUISES LTD191
HELLA INDIA AUTOMOTIVE PVT LTD173
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Origin countries

CountryShipments
CHINA7,842
VIRGIN ISLANDS, U.S.2,678
NETHERLANDS ANTILLES1,828
INDIA642
VIRGIN ISLANDS,BRITISH628
CANADA581
GERMANY441
REPUBLIC OF KOREA420
N/A329
TAIWAN323

Ports of unlading

U.S. portShipments
SAN JUAN, PUERTO RICO5,660
LOS ANGELES, CA3,702
LONG BEACH, CA3,418
NEW YORK/NEWARK AREA, NEWARK, NJ1,443
NORFOLK, VA861
SEATTLE, WA568
OAKLAND, CA470
SAVANNAH, GA362
TACOMA, WA347
HOUSTON, TX317

Harmonized System classification

HS code 851230 — Sound signaling equipment. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.

Not sure this is the right code? Search all 5,700+ subheadings with the free HS code lookup, or see which product categories are growing in our quarterly State of U.S. Imports reports.

More products under HS 8512

Other six-digit codes in HS 8512: Electrical lighting or signaling equipment (excluding articles of heading 8539), windshield wipers, defrosters and demisters, of a kind used for cycles or motor vehicles, with their U.S. import volume.

Product (HS code)Shipments
Windshield wipers, defrosters and demisters (851240)133,043
Parts of electrical lighting or signaling equipment (excluding articles of heading 8539), windshield wipers, defrosters and demisters, of a kind used for cycles or motor vehicles (851290)131,839
Lighting or visual signaling equipment of a kind used on bicycles (851210)58,746
Other lighting or visual signaling equipment (851220)22,754

Frequently asked questions about importing Sound signaling equipment

Who imports Sound signaling equipment (HS 851230)?

Based on U.S. Customs bill-of-lading records, the top U.S. importers of Sound signaling equipment include ROYAL PETROLEUM, PRIORITY RORO SERVICES, TROPIGAS DE PUERTO RICO, PETRO AIR CORP, and PEERLESS OIL CHEMICALS INC.

Who is the largest U.S. importer of Sound signaling equipment?

ROYAL PETROLEUM is the largest U.S. importer of Sound signaling equipment (HS 851230), with 1,305 bill-of-lading shipment records.

Who are the top suppliers of Sound signaling equipment?

Leading suppliers shipping Sound signaling equipment (HS 851230) to the U.S. include AUGUST AMBER HK LIMITED, PRIORITY RORO SERVICES, DONGGUAN FYRNETICS CO LTD, O NEALE S TRANSPORT INC, and ROMASCO GROUP.

How many U.S. shipments of Sound signaling equipment are there?

ImportDoor has 18,543 U.S. import shipment records under HS code 851230, spanning Jan 2020 to Aug 2026.

Where is Sound signaling equipment imported from?

Sound signaling equipment is imported into the U.S. primarily from CHINA, VIRGIN ISLANDS, U.S., and NETHERLANDS ANTILLES.

Find Sound signaling equipment importers & suppliers

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