What payment terms are accepted?

We accept T/T (30% deposit, 70% balance), LC, D/P, and PayPal.

What certifications does the product have?

The product holds CE and ECE certifications and is ISO9001 compliant.

What is the warranty period?

We provide a 6-month warranty and after-sales service.

4-Speaker Super Loud Truck Air Powered Train Horn

Name: 4-Speaker Super Loud Truck Air Powered Train Horn
Brand: Zhejiang Weitech Co., Ltd.
SKU: 2280364925

Zhejiang, ChinaZhejiang Weitech Co., Ltd.

US$55.00

100-499 Sets

US$40.00

500+ Sets

Product profile

Customization

Available

After-sales Service

6 Months

Warranty

6 Months

Model NO.

S-521

Type

Air Horn

Speaker Design

Tweeter

Shape

Spiral

Material

Aluminum

Sound Frequency

High Pitch

Voltage

24V

Contact Point

Without Contact Point

Energy Exchanging Mechanism

Electrical

Product Name

Air Horn

MOQ

100PCS

Decibel

120 Db

Use for

Truck

Transport Package

Standard Sea Package

Specification

165/230/290/350MM

Trademark

SHENGBAO

Origin

China

HS Code

8512301100

Key features

High Decibel Output: Delivers a powerful 120dB sound for maximum audibility.

Dual Voltage Support: Compatible with both 12V and 24V electrical systems.

Durable Aluminum Build: Constructed from high-quality aluminum for long-lasting performance.

Spiral Tweeter Design: Features a spiral shape with tweeter design for superior sound quality.

ISO9001 Certified: Manufacturing processes certified under ISO9001 International Quality Management.

CE and ECE Compliant: Products meet international safety and performance standards.

Flexible Customization: Offers full, minor, and flexible customization from samples or designs.

Comprehensive Warranty: Includes 6 months warranty and after-sales service coverage.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedExhibition Experience

Zhejiang Weitech Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 years CertifiedNearest Port: Shanghai Port; Ningbo PortAverage Response Time: ≤3.57h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, 3D software design, ODM, and OEM capabilities, supported by R&D personnel, documented design review and validation materials, and recent product development. It reports ISO 9001 certification and more than 100 CE- and ECE-certified product models. Manufacturing evidence includes seven production lines, in-stock capability, one-month average lead times in both peak and off-season, and access to Shanghai and Ningbo ports. However, the supplier has no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse or showroom, no approved-supplier list, and several procedures lack written records. No patents, SDK, or continuous batch quantity reconciliation were reported. Financial information is limited to year labels without substantive performance indicators, so financial credibility cannot be determined.

Supplier typeThe supplier presents itself as a manufacturer and design-oriented service provider, offering 3D software design, ODM, OEM for well-known brands, in-stock capability, and seven production lines. It also exports goods and accepts multiple international trade terms, but lacks a valid manufacturing-capacity contract with related subcontractors.

CertificationsThe company states that it has passed ISO 9001 certification and that more than 100 product models have obtained CE and ECE certifications. These are explicit certification claims supporting the supplier's quality and product-compliance position.

R&D capabilityThe supplier reports new products within the past year, R&D responsibilities covering product improvement, available design-input/output and review/verification/validation documents, and use of CorelDRAW and Pro-E. However, it reports zero patents and no available SDK, so the evidence supports practical product development but not strong proprietary innovation.

Production capacityProduction-related evidence includes seven production lines, in-stock capability, one-month average lead times in both peak and off-season, and proximity to Shanghai and Ningbo ports. Deficiencies include no valid contract with related subcontractors, no continuous batch quantity reconciliation, and no outsourcing standard operating procedure.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, alongside 3D software design, ODM services, and R&D support for production. This indicates broad customization coverage across design and manufacturing activities.

Client casesThe supplier states that it provides OEM services for well-known brands, maintains cooperation with countries along the Belt and Road, and has products widely praised in the European Community market. These statements indicate market and customer exposure, although no specific customer names or case details are provided.