What is your sample policy?

We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Do you test all your goods before delivery?

Yes, we have 100% test before delivery.

How do you make our business long-term and good relationship?

1. We keep good quality and competitive price to ensure our customers benefit ; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Heavy Load Multi-Leaf Spring for Semi Trailer Mechanical Suspension System

Name: Heavy Load Multi-Leaf Spring for Semi Trailer Mechanical Suspension System
Brand: Liangshan Jiuzhou Machinery Manufacturing Co., Ltd.
SKU: 2109029962

Shandong, ChinaLiangshan Jiuzhou Machinery Manufacturing Co., Ltd.

US$31.20

5-49 Pieces

US$28.30

50-299 Pieces

US$24.70

300+ Pieces

Product profile

Customization

Available

Loading Weight

13t

Material

Steel

Model NO.

JZ-BH2901

Number of Axles

Single Axle Suspension

Type

Leaf Spring Suspension

Surface Treatment

Peening & Painting

Chord

1125

Chord Height

Total Pieces

7/8/9/10/12

Thickness

13/16

Width

Weight

65.5 and Mor

OEM/ODM

Yes

After-Sales Service

24 Hours Online

Warranty

24 Hours Online

Certification

CCC, CE, ISO, ISO/Ts16949, DOT

ABS

Customizable

Tent Type

Simple

Color

Black

Transport Package

Pallets and Crates

Specification

Height 65 Width 90

Trademark

JiuZhou

Origin

China

HS Code

8716900000

Production Capacity

500/Day

Key features

High Load Capacity: Designed for 13t loading weight with superior stability and durability.

Customizable Leaf Count: Available in 7, 8, 9, 10, or 12 leaf configurations to suit specific needs.

Premium Material: Constructed from high-strength Silicon manganese spring steel (60Si2Mn).

Anti-Corrosion Protection: Features peening and painting for moisture-proof and anti-oxidation performance.

OEM/ODM Service: Full customization available based on customer samples or technical drawings.

Comprehensive Certifications: Certified by CCC, CE, ISO, ISO/Ts16949, and DOT standards.

Round-the-Clock Support: 24-hour online technical support and after-sales service available.

Fast Delivery: Standard lead time of 5 to 10 days after receiving advance payment.

Company profile

In-stock CapacityFast DeliveryFull CustomizationMinor Customization

Liangshan Jiuzhou Machinery Manufacturing Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Qingdao PortAverage Response Time: ≤7.38h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells mechanical and vehicle-related components, including wheel hubs, brake drums, axles, brake pads, suspension parts, and legs. It operates three production lines and has flame cutting, bending, punching, robotic welding, and painting equipment. Customization from samples, designs, full customization, and minor customization is available. Quality assurance and raw-material traceability are stated, but finished-product inspection lacks written records, and corrective/preventive actions lack written procedures or records. The supplier reports inventory capability and lead times within 15 working days in both peak and off-season periods. Evidence of export activity exists, including a 41%–50% export-sales share, but no overseas agents, branches, warehouse, showroom, or offline trade-show participation are reported. Financial-year data is provided for 2021–2023, but no financial performance values are available. No SDK is available, and customer cases are not documented.

Supplier typeThe supplier is a manufacturer and seller of mechanical and vehicle components, supported by three production lines and in-house equipment including flame cutting, bending, punching, robotic welding, and painting machines. Its stated business scope also includes import and export activities.

R&D capabilityThe supplier reports one year of total experience for R&D engineers and explicitly has no available SDK. The information does not provide evidence of proprietary technologies, patents, product development results, or a broader innovation program.

Production capacityThe supplier operates three production lines, has multiple listed processing and finishing machines, maintains inventory capability, and reports lead times within 15 working days in both peak and off-season periods. However, it has no valid manufacturing-capacity contract with affiliated subcontractors, which limits evidence of broader capacity assurance.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization. Its company description also states that it provides tailor-made solutions for specific customer needs.

Product Q&A

Q:What are your terms of packing?

Generally, we will package it with fumigation-free wooden holder in brown boxes. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q:What are your terms of payment?

T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q:What are your terms of delivery?

FOB, CIF, DDU, EXW, DAP.

Q:How about your delivery time?

Generally, it will take 5 to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q:Can you produce according to the samples?

Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.