What is the warranty period?

We provide a 1-year quality warranty for our spring steel flat bars.

What are the available width and thickness ranges?

Width ranges from 44.5mm to 140mm and thickness from 6mm to 50mm, with other sizes available upon request.

Which ports are used for export?

Our nearest export ports are Xiamen, Shenzhen, and Guangzhou.

5160 Grade Sup9a Carbon Spring Steel Flat Bar for Leaf Spring

Name: 5160 Grade Sup9a Carbon Spring Steel Flat Bar for Leaf Spring
Brand: Xiamen Wondee Autoparts Co., Ltd.
SKU: 871048285

Fujian, ChinaXiamen Wondee Autoparts Co., Ltd.

US$600.00-800.00

25 Tons

Product profile

Customization

Available

Standard

AISI, GB

Technics

Hot Rolled

Model NO.

sup9

Application

Structural Steel Bar

Surface

Black

Alloy

Non-alloy

Special Use

High-strength Steel Plate

Name

Spring Steel Flat Bar

Transport Package

Bundle

Specification

from 44.5x6 to 100x20

Trademark

WONDEE

Origin

China

HS Code

732010

Production Capacity

1000, 000 Metric Ton/Metric Tons / Year

Key features

20 Years Industry Experience: Over two decades of expertise in semi-trailer leaf springs and steel flat bars since 1999.

Customized Length Available: Lengths can be tailored to customer requirements, including 6M, 5.8M, or custom-built sizes.

Extensive Inventory Stock: Maintains 50,000 tons of inventory with delivery within 2 days for rush orders.

Wide Size Range Options: Widths from 40mm to 160mm and thicknesses from 5mm to 59mm available.

Top 3 Steel Mill Origin: Raw materials sourced from China's top 3 steel mills ensuring export standard quality.

ISO and TS16949 Certified: Product quality verified with ISO and TS16949 certificates.

1-Year Quality Warranty: Comprehensive 1-year warranty coverage for all products.

Market Leading Position: Holds over 45% domestic market share and ranks 1st among Chinese enterprises.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceMulti-language PioneerFast Delivery

Xiamen Wondee Autoparts Co., Ltd.

Fujian, China

Business Type: Other CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2004-07-07 CertifiedNearest Port: Xiamen PortAverage Response Time: ≤8.43h

AI-Powered supplier vetting

SummaryXiamen Wondee Autoparts Co., Ltd. is a privately owned Chinese trading company based in Xiamen, Fujian, supplying automotive, motorcycle parts and accessories. It reports OEM service for well-known brands, recent new-product activity, ODM services, and broad customization options. However, it has no written procedures or records for service assessment, corrective and preventive actions, or complaint handling. It has no overseas showroom, overseas agents or branches, overseas warehouse, or in-stock capability, although it has attended the China Import and Export Fair. Production-related outsourcing, contract, and capacity-reconciliation statuses are unknown. The supplier reports financial-capacity records for 2023–2025, but the provided information does not establish financial strength. An audit by CTI is listed with validity from May 9, 2026 to May 8, 2027, while the audit result is recorded only as “0,” without an interpretable evaluation description.

Supplier typeThe supplier is identified as a trading company and private owner, based in Xiamen, Fujian, China. Its stated primary product category is auto, motorcycle parts and accessories, consistent with its wholesale and retail business scope.

After-Sales capabilityThe supplier has no written procedures or records for customer-complaint handling, service-capability assessment, or corrective and preventive actions. It also lacks overseas agents, branches, showrooms, overseas warehouses, and in-stock capability, although it has participated in an offline trade show and accepts stated service quotation and payment terms.

R&D capabilityThe supplier reports that it had new products during the past year and provides ODM services. It also reports OEM service for well-known brands, but has no available SDK; the evidence supports product-development activity without establishing the depth of technical innovation.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of broad customization support.