What are the shipping options and costs?

We offer the cheapest shipping costs in China via sea, air, and land using carriers like EMS, FedEx, UPS, and DHL.

What is the lead time for production?

The average lead time is one month for both peak and off-peak seasons.

What types of springs do you manufacture?

We manufacture compression, stretch, torsion, and composite springs with various wire diameters and cross-sections.

Customized Leaf Spring for Truck, Tractor, Marine, Boat, Ship

Name: Customized Leaf Spring for Truck, Tractor, Marine, Boat, Ship
Brand: Qingdao Jieshengda Machinery Co., Ltd.
SKU: 2018900012

Shandong, ChinaQingdao Jieshengda Machinery Co., Ltd.

US$1.00

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Function

Pressed, Phonation, Buffer, Drive, Restoration, Measurement

Material

Alloy

Usage

Industrial, Auto, Furniture, Motorcycle, Home Appliance

Load Type

Compression

Production Process

Cold Roll

Surface Treatment1 1

Podwer Coating

Surface Treatment 2

Plating

Maximum Machining Size

Wire Diameter 50mm

Material1

Stainless Steel

Material2

Iron

Transport Package

According to Customer Needs

Specification

According to customer requirements

Trademark

JSD

Origin

China

Key features

Wide Material Selection: Carbon steel, alloy steel, stainless steel, music wire, beryllium copper, and brass available.

Customizable Surface Finish: Zinc, chrome, nickel, silver, gold, tin, powder coating, oxide black, or customized processing.

Comprehensive Spring Types: Compression, stretch, torsion, and composite springs with wire diameters from 0.1mm to 50mm.

Full Customization Support: Customization from samples, designs, full customization, minor customization, and flexible options.

100% Quality Inspection: Visual and function inspection with professional inspectors ensuring 100% qualified products.

Low MOQ for Small Orders: Minimum Order Quantity is 1 piece, supporting small quantity orders with careful packing.

20+ Years Experience: Over 20 years of production experience handling complex parts with high precision and efficiency.

Global Shipping Options: Cost-effective shipping via sea, air, and land using EMS, FedEx, UPS, DHL, and China Europe train.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceMulti-language Pioneer

Qingdao Jieshengda 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: 5 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company focused on metal heat treatment, automatic spraying, mechanical and electrical equipment, machine tools, components, and related products. It reports quality assurance, raw-material traceability, documented complaint handling, and written supplier-service procedures. Stock service capability is available, with stated average lead times of one month in both peak and off-season periods. However, no SDK is available, and the supplier has no overseas warehouse, showroom, agents, branches, or reported offline trade-show participation. A valid manufacturing-capacity contract with related subcontractors is not in place. Financial records are referenced by year, but no substantive financial performance information is provided. Customer cases and certifications are not evidenced.

Supplier typeThe supplier is classified as a combined company and presents itself as a metal heat treatment manufacturer with automatic spraying and surface-treatment capability. Its stated business scope also covers machine tools, mechanical equipment, components, metal, plastic, rubber, and related products, indicating a manufacturing and trading-oriented profile.

After-Sales capabilityThe supplier has a documented customer-complaint procedure with records, corrective and preventive-action procedures, one-month stated lead times, and in-stock service capability. However, it has no overseas agents, branches, warehouses, or showrooms, which limits evidenced overseas after-sales infrastructure.

R&D capabilityThe supplier explicitly reports that no SDK is available, indicating a deficiency for SDK-based development or integration. Although it describes automatic spraying and multiple heat-treatment processes, the slices do not provide evidence of broader R&D outputs, patents, or product innovation.

Production capacityThe supplier describes metal heat-treatment manufacturing and a fully automatic spraying production line, and reports in-stock service capability with one-month average lead times in both peak and off-season periods. However, the absence of a valid capacity contract with related subcontractors is a documented capacity-management weakness.