What is the minimum order quantity or policy for special sizes?

Special section sizes and low volume orders are welcome. This helps reduce raw material inventory for customers needing less-use special sizes.

What grades of spring steel are available?

We supply grades such as SUP9 (5155) and SUP9A (5160). Other construction steels are also available upon request.

Sup10 Sup9a Spring Steel Flat Bar for Leaf Spring Material

Name: Sup10 Sup9a Spring Steel Flat Bar for Leaf Spring Material
Brand: Xiamen Wondee Autoparts Co., Ltd.
SKU: 880082985

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 Options: Available in 5.8M, 6M, or custom-built lengths according to customer requirements.

Wide Size Range: Widths from 40mm to 160mm and thicknesses from 5mm to 59mm for diverse applications.

Fast Delivery Service: Delivery within 2 days for rush orders and 15 days for regular orders due to rich inventory.

High Quality Standards: Originates from top 3 Chinese steel mills with ISO and TS16949 certifications.

OEM and ODM Support: Full customization, minor customization, and flexible customization services available.

1 Year Quality Warranty: Comprehensive 1-year quality warranty coverage for all purchased spring steel flat bars.

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

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: ≤5.29h

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.

Product Q&A

Q:What are the available dimensions for the spring steel flat bar?

Widths range from 40mm to 160mm, and thicknesses from 5mm to 59mm. Specific sizes like 44.5x6mm to 120x25mm are commonly stocked.

Q:Can the length of the steel flat bar be customized?

Yes, customized lengths are available. Standard options include 5.8M and 6M, but we can also provide custom-built lengths according to your requirements.

Q:What is the delivery time for orders?

For rush orders, delivery is within 2 days. For regular orders, it takes approximately 15 days. During peak seasons, lead time may extend to one month.

Q:Does the product come with a warranty?

Yes, we provide a 1-year quality warranty for our spring steel flat bars to ensure customer satisfaction and product reliability.

Q:What certifications does the manufacturer hold?

The manufacturer holds ISO and TS16949 certifications, ensuring high-quality standards and compliance with international requirements.