What is the lead time for production?

Peak season lead time is 1-3 months, while off-season lead time is within 15 workdays.

Do you offer OEM or ODM services?

Yes, we provide both OEM and ODM services, including full customization and flexible customization options.

Durable Leaf Spring Suspension System for Enhanced Vehicle Performance

Name: Durable Leaf Spring Suspension System for Enhanced Vehicle Performance
Brand: Shandong Weierqi Vehicle Parts Co.,Ltd
SKU: 2147912592

Shandong, ChinaShandong Weierqi Vehicle Parts Co.,Ltd

US$100.00

50-199 pc

US$20.00

200+ pc

Product profile

Customization

Available

After-sales Service

Provided

Warranty

12month

Model NO.

WEQL-F

Material

60si2mn

Certification

ISO9001

Position

Front

OEM

Type

Leaf Spring

Size

Customized

Total Layers

7/8/9/10/12/14/16PCS

Width

90mm/100mm/120mm(or Customization)

Length

1130mm/1200mm(The Length of Each Piece Can Be Cust

Transport Package

Pallet

Specification

1.1*1.1*1

Trademark

WEQ

Origin

China

Key features

Premium Material Selection: Adopts 60Si2MnA, 50CrVA, and other alloy spring steels for excellent elasticity and toughness.

Heavy Load Capacity: Optimized leaf structure design provides stable support and uniform stress distribution.

Anti-fatigue Performance: Precision heat treatment ensures high fatigue resistance and prevents cracking under long-term use.

Customizable Dimensions: Available in multiple sizes with customizable total layers (7-16 PCS) and widths.

12-Month Warranty: Comprehensive 12-month warranty coverage for all mechanical defects.

ISO9001 Certified: Manufacturing process adheres to strict ISO9001 quality management standards.

Full Customization Service: Supports customization from samples, designs, and flexible minor adjustments.

100% Product Inspection: Every finished product undergoes visual and functional inspection before delivery.

Company profile

Importers and ExportersPatents AwardedQuality AssuranceProduct Certification

Shandong Weierqi Vehicle Parts 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: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.68h

AI-Powered supplier vetting

SummaryWelch is a professional towing-device and trailer-accessory supplier with casting, machining, manufacturing, sales, and export capabilities. It offers a broad product range, including traction devices, pintle hooks, turntables, king pins, fifth wheels, landing gear, trailer couplings, and drawbar eyes. The supplier reports ISO9001:2015 certification, documented warehouse and finished-product inspection procedures, three quality-control staff, two test-equipment units, and two R&D engineers. It provides 3D software design and multiple forms of customization, supported by CNC, drilling, boring, induction-heating, milling, painting, and shot-blasting facilities. R&D engineers provide technical support during production and after-sales service. The supplier reports domestic mainstream OEM and upfitter supply and exports to several regions, but no Fortune 500 cooperation. Financial information is present only as year labels, so financial credibility cannot be assessed.

Supplier typeThe supplier identifies itself as a professional technical supplier and conducts casting, manufacturing, sales, and export of towing devices and trailer accessories. Its listed product portfolio covers major towing-system components, indicating a specialized manufacturer rather than a general trading supplier.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate. However, product compliance certification is recorded only as “Others,” without naming a specific product standard or certificate.

After-Sales capabilityThe two technology engineers are responsible for technical support during production and after-sales service, and the supplier provides technical support tied to customer requirements. This explicitly supports after-sales technical assistance, although the breadth and response performance of the service are not stated.

R&D capabilityWelch reports multiple utility model patents, national automotive standard-drafting membership, two R&D engineers, and new-product-development responsibilities. It also provides 3D software design services, but reports no available SDK; the evidence still supports product-development and technical innovation capability.

Production capacityThe supplier operates or reports access to casting and a range of production facilities, including CNC lathes, machining centers, vertical lathes, drilling, boring, induction heating, gantry milling, painting, and shot blasting. Written warehouse and finished-product inspection procedures are reportedly followed, with three quality-control staff and two test-equipment units.

Customization capabilityWelch explicitly supports OEM/ODM customization and machining according to drawings. It offers customization from samples, designs, full customization, minor customization, and flexible customization, together with 3D software design services.

Client casesThe supplier states that its products supply mainstream domestic OEMs and upfitters and are exported to Africa, Southeast Asia, South America, the Middle East, and other global markets. It reports no cooperation with Fortune 500 companies, so the customer evidence demonstrates market reach but not top-tier multinational customer reference strength.