Does this product offer active control capabilities?

Yes, since the medium is air, it is easy to implement active control systems.

What are the lead times for production?

Lead time is within 15 workdays during both peak and off-peak seasons.

What payment methods are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.

Best Quality E39 Rubber Sleeve for Suspensions Auto Parts

Name: Best Quality E39 Rubber Sleeve for Suspensions Auto Parts
Brand: Qingdao Century Hengyuan Machine Co., Ltd.
SKU: 1963111532

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

After-sales Service

Lifetime

Warranty

Lifetime

Model NO.

OEM

Part

Air Spring

Position

Rear

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

Lifetime Warranty: Covers all mechanical defects for the entire lifespan of the air spring.

Adjustable Stiffness: Stiffness can be changed by adjusting air chamber volume or internal pressure.

Height Control: Maintains constant vehicle body height regardless of load changes.

Excellent Damping: Absorbs high-frequency vibration and provides superior sound insulation.

Lightweight Design: Significantly lighter than steel springs due to rubber bladder and air composition.

Non-Linear Elasticity: Ideal non-linear characteristics effectively limit amplitude and prevent resonance.

Active Control Ready: Easy to implement active control systems using air as the primary medium.

Multi-Load Capacity: Same air spring meets requirements of multiple loads through pressure adjustment.

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: ≤1.33hTerms 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.