What is the lead time for production?

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

What materials are used for construction?

The product is made from Q235 and Q235B steel materials.

What are the available arm pin sizes?

Arm pins are available in 50mm, 60mm, 70mm, or can be customized.

Heavy-Duty Air Suspension with Spring Structural Strength for Semi-Trailer

Name: Heavy-Duty Air Suspension with Spring Structural Strength for Semi-Trailer
Brand: Shandong Zhengyang Machinery Co. Ltd
SKU: 2144813952

Shandong, ChinaShandong Zhengyang Machinery Co. Ltd

US$399.00

1-49 Pieces

US$349.00

50-99 Pieces

US$299.00

100+ Pieces

Sample price:US$400.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

High Quality

Warranty

1 Year

Model NO.

Air Suspension

Material

Q235 Q235B

Certification

BSCI, GMP, GSV, ISO13485, OHSAS18001, ISO/TS16949

Suitable for Car Brands

Volkswagen, WuLing, Benz, Nissan, Volvo, Mazda

Position

Rear

OEM

Type

Air Suspension

Using

Semi Trailer

Leaf Spring

12 or 14 PCS

Thickness of Hangers

6mm, 8mm, 10mm or Customized

Arm Pin

50mm, 60mm and 70mm or Customized

Capacity

9 Ton

Installation Height

200-300 380-500

Type-

Over Slung/Under Slung

Brake

Drum

Track

1840

Brake Model

420*180

Transport Package

Standard Shipping

Specification

customer demand

Trademark

Zhengyang

Origin

China

HS Code

87089999

Production Capacity

2000PCS Per Month

Key features

Lightweight Design: Single shaft weight reduced by 50 kg with welded guide arm and hidden lifting frame.

Customized Dimensions: Hanger thickness and arm pin sizes available in customized options.

High Capacity: Supports up to 9 tons with over-slung or under-slung installation types.

Durable Material: Constructed from high-strength Q235 and Q235B steel materials.

Comprehensive Certifications: Certified by BSCI, GMP, GSV, ISO13485, OHSAS18001, and ISO/TS16949.

1-Year Warranty: Includes 1-year warranty coverage for peace of mind.

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

Low Maintenance: Rigid welding guide arm ensures easy installation and low maintenance costs.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Shandong Zhengyang Machinery Co. Ltd

Shandong, 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: 13 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.50h

AI-Powered supplier vetting

SummaryShandong Zhengyang Machinery Co., Ltd. is a China-based limited manufacturing company established in 2004, located in Jining, Shandong, with 246 employees. It produces trailer axles, suspensions, brake drums, hubs, and castings. The company reports ISO9001, ISO14001, OHSAS18001, and intellectual property management certifications, as well as more than 100 production and processing machines and integrated testing equipment. It also describes involvement in a Shandong special-vehicle intellectual property protection alliance. However, most service, R&D, customization, overseas-operation, traceability, sustainability, and customer-reference fields are marked unknown. A BV audit is recorded with a stated evaluation result of 0, but the meaning of that result is not explained in the provided information. No financial figures are included.

Supplier typeThe supplier is identified as Shandong Zhengyang Machinery Co., Ltd., a China-based limited company and factory in Jining, Shandong. Its stated primary products are trailer axles, suspensions, brake drums, hubs, and castings, indicating a manufacturing supplier serving the special-vehicle components industry.

CertificationsThe company states that it has passed ISO9001, ISO14001, OHSAS18001, and intellectual property management standardization certifications. A BV audit is also recorded, although the audit result is listed as 0 without an explanation of the scoring system or outcome.

R&D capabilityThe company reports participation in a Shandong special-vehicle intellectual property protection alliance, more than 100 production and processing machines, and integrated testing equipment. However, R&D documentation, SDK availability, private-mold design, 3D design services, ODM capability, and other specific innovation capabilities are marked unknown.

Production capacityThe supplier reports more than 100 production and processing machines, including an automatic suspension welding system, and integrated testing equipment covering raw materials, semi-finished products, and finished products. Its factory status, 246 employees, product range, and manufacturing industry classification provide explicit evidence of established production capacity.