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We provide a 1-year quality warranty covering the product's mechanical integrity.

High Strength Carbon High Tensile Spring Steel Flat Bar for Leaf Spring

Name: High Strength Carbon High Tensile Spring Steel Flat Bar for Leaf Spring
Brand: Xiamen Wondee Autoparts Co., Ltd.
SKU: 871048205

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.

Massive Inventory Availability: 50,000 tons in stock ensuring delivery within 2 days for rush orders and 15 days for regular ones.

Customized Length Options: Available in standard 5.8M/6M or fully custom-built lengths according to specific customer requirements.

Wide Range of Section Sizes: Widths from 40mm to 160mm and thicknesses from 5mm to 59mm with special sizes welcome.

Top-Tier Steel Origin: Sourced from China's TOP3 steel mills meeting export standards for superior high-quality performance.

Comprehensive Quality Warranty: Backed by a 1-year quality warranty and ISO, TS16949 certified manufacturing processes.

Global Service Support: 4 global offices providing 7x16 hours service with professional loading and anti-rusty packing.

Market Leading Position: Holds over 45% domestic market share and ranks 1st among Chinese enterprises in spring steel flat bars.

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: ≤8.00h

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 is the lead time for delivery?

Delivery takes 2 days for rush orders and 15 days for regular orders due to our 50,000-ton inventory. Peak season lead time is one month, while off-season is within 15 workdays.

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

Yes, customized lengths are available. We offer standard 5.8M or 6M options, or can manufacture specific lengths according to your requirements.

Q:What are the available width and thickness ranges?

We provide a rich selection of section sizes with widths ranging from 40mm to 160mm and thicknesses from 5mm to 59mm.

Q:What grades of spring steel are available?

We supply grades including SUP9 (5155) and SUP9A (5160), with raw materials and after-cutting flat bars available.

Q:Do you accept small volume or special size orders?

Yes, we welcome special section sizes and low volume orders to help customers reduce raw material inventory.