How does the air spring handle vibration and sound?

The rubber bladder has little internal friction, making it difficult to transmit high-frequency vibration, while air and rubber provide good sound insulation.

What is the lead time for this product?

The average lead time is within 15 workdays for both peak and off-peak seasons.

Century Hengyuan Modified Car Air Spring, Rubber Air Spring

Name: Century Hengyuan Modified Car Air Spring, Rubber Air Spring
Brand: Qingdao Century Hengyuan Machine Co., Ltd.
SKU: 1971887472

Shandong, ChinaQingdao Century Hengyuan Machine Co., Ltd.

US$35.00-60.00

100 Pieces

Sample price:US$60.00/piece.Request sample

Product profile

Customization

Available

Part

Air Spring

Position

Rear

Model NO.

OEM

Type

Gas-Filled

Spring Type

Air Spring

Spring Material

Rubber+Steel

Structure

Double Cylinder

Suitable for Car Brands

OEM

Damping Force Direction

Single Effect

Transport Package

OEM

Specification

400-100

Trademark

OEM

Origin

Qing Dao

HS Code

7320909000

Production Capacity

1000000

Key features

Non-linear Elastic Characteristics: Ideally designed curve limits amplitude, avoids resonance, and prevents shock effectively.

Adjustable Stiffness: System stiffness changes by altering air chamber volume or inner cavity pressure.

Constant Natural Frequency: Vibration isolation remains stable across different loads due to stiffness-load relationship.

Height Control Capability: Maintains constant working height under varying loads using height control valve systems.

Superior Sound Insulation: Rubber and air materials effectively block high-frequency vibration and sound transmission.

Lightweight Construction: Significantly lighter than steel springs, composed mainly of rubber bladder and air.

Multi-load Compatibility: Same air spring meets multiple load requirements by adjusting internal pressure.

Active Control Support: Air medium allows easy implementation of active control systems.

Company profile

3D Software DesignODM ServicesFlexible CustomizationMinor Customization

Qingdao Century Hengyuan Machine Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2020-08-11Nearest Port: Qingdao PortAverage Response Time: ≤1.31hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW, Others

AI-Powered supplier vetting

SummaryThe supplier is a limited company with three employees, no stated parent-group affiliation, and a valid import/export license. It is identified as a professional technical supplier offering 3D software design, ODM, OEM for popular brands, and multiple forms of customization. However, it launched no new products in the past year and has no available SDK. Service-management controls are weak: no written procedures or records were provided for supplier assessment, corrective and preventive actions, or complaint handling. The supplier has no inventory, overseas warehouse, showroom, agent, or branch service capability. Its business scope covers metal products, building materials, construction-related products, electronic special equipment, and installation or maintenance services. Financial records are referenced for 2021–2023, but the provided information does not establish financial strength. No certifications, customer cases, or production assets/capacity are explicitly documented.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and a limited company. Its stated business scope covers metal products, building materials, electronic special equipment, and installation or maintenance services; it has three employees, no stated group affiliation, and a valid import/export license.

CertificationsThe supplier is reported to hold a valid import/export license. No other certification information is provided, so certification coverage beyond trade licensing cannot be assessed.

After-Sales capabilityThe supplier has no overseas warehouse, showroom, agent, or branch service capability. It also has no written procedures or records for effective complaint handling or corrective and preventive actions, indicating explicitly limited documented after-sales support controls.

R&D capabilityThe supplier reports professional R&D capability, 3D software design services, ODM services, and OEM services for popular brands. Conversely, it launched no new products in the past year and has no available SDK, so its broader innovation strength is mixed.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, as well as 3D software design and ODM services. These statements provide direct evidence of broad customization capability.

Client casesThe supplier states that it provides OEM services for popular brands, which is evidence of serving at least that type of customer. However, no customer names, project details, or verifiable case records are supplied.

Product Q&A

Q:What are the main advantages of this air spring?

It features excellent non-linear characteristics, adjustable stiffness, constant natural frequency under varying loads, and superior sound insulation.

Q:How does the air spring maintain vehicle height?

By installing a height adjustment device, the vehicle body height remains unchanged regardless of load increases or decreases.

Q:Can the stiffness of the air spring be adjusted?

Yes, stiffness can be changed by altering the volume of the air chamber or the pressure of the inner cavity.

Q:Is this air spring suitable for OEM applications?

Yes, the product attributes indicate it is suitable for OEM car brands.

Q:What materials are used in the air spring construction?

The spring material consists of rubber and steel, with a double cylinder structure.