Powered by Made-in-China.com
Sup9a Spring Steel Flat Bar for Leaf Spring Application
US$600.00-800.00
25 Tons
Product profile
Customization
AvailableStandard
AISI, GBTechnics
Hot RolledModel NO.
sup9Application
Structural Steel BarSurface
BlackAlloy
Non-alloySpecial Use
High-strength Steel PlateName
Spring Steel Flat BarTransport Package
BundleSpecification
from 44.5x6 to 100x20Trademark
WONDEEOrigin
ChinaHS Code
732010Production Capacity
1000, 000 Metric Ton/Metric Tons / YearKey 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 orders.
Wide Size Range Options: Width from 40mm to 160mm and thickness from 5mm to 59mm with special sections available.
Customizable Length: Available in 6M, 5.8M, or custom-built lengths according to specific customer requirements.
Premium Material Source: Originates from top 3 Chinese steel mills with export standard quality and high strength.
Comprehensive Quality Warranty: Includes a 1-year quality warranty covering mechanical defects and performance issues.
Global Market Leadership: Holds over 45% domestic market share and ranks 1st among Chinese enterprises in the sector.
Export Standard Packaging: Features anti-rusty painting and professional loading operations for safe international transport.
Company profile
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: ≤4.47h
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 orders?
A:
Delivery is within 2 days for rush orders and 15 days for regular orders. 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?
A:
Yes, customized lengths are available. Standard options include 6M or 5.8M, but we also support custom-built lengths based on customer requests.
Q:What are the available width and thickness ranges?
A:
Width ranges from 40mm to 160mm and thickness from 5mm to 59mm. Special section sizes and low volume orders are also welcome.
Q:What grades of spring steel are offered?
A:
We offer SUP9 (5155) and SUP9A (5160) grades. Spring raw material and flat bar after-cutting are both available.
Q:What certifications does the product hold?
A:
The product holds ISO and TS16949 certificates, ensuring compliance with international quality standards.
Send Inquiry
*To:
Xiamen Wondee Autoparts Co., Ltd.
Xiamen Wondee Autoparts Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Hot Rolled Sup9a Spring Steel Flat Bar with Round Edge
US$600.00-800.00
25 Tons(MOQ)
Sup9 Hot Rolled Steel Flat Bar for Trailer Leaf Spring
US$1,000.00
25 Tons(MOQ)
Hot Rolled Mild Steel Flat Bar for Leaf Spring
US$600.00-800.00
25 Tons(MOQ)
5160 Sup9a Spring Steel Flat Bar Carbon Steel Flat Bar for Sale
US$600.00-800.00
25 Tons(MOQ)
Sup9a Hot Rolled Steel Flat Bars for Truck Leaf Spring
US$950.00
25 Tons(MOQ)
5160 Sup9 Hot Rolled Steel Flat Bar Spring Steel Flat Bar for Leaf Spring
US$600.00-800.00
25 Tons(MOQ)
Sup7 Steel Flat Bar for Trucks Leaf Springs
US$700.00
25 Tons(MOQ)
High Strength Steel Alloy Sup9 1.7176 55crmna Spring Steel Flat Bar
US$1.70-3.00
1 kg(MOQ)
55cr3 Flat Bars for Leaf Springs
US$700.00
25 Tons(MOQ)
High Strength H13 Tool Steel Bar for Hot Work and Die Casting Applications
US$15.00
500 kg(MOQ)
Cold Work Special Steel Flat D2 Tool Steel Bar for Knife
US$4.00-6.00
1 kg(MOQ)
Premium ASTM Q235/Q345 Carbon Steel Flat Bar for Construction
US$520.00-550.00
100 Tons(MOQ)
Steel 51CRV4 1.8159 6150 Sup10 Bar&Rod for General Engineering
US$0.73-1.05
1,000 kg(MOQ)
ASTM Ck45 Steel Square Bar / ASTM Ck45 Steel Flat Bar
US$650.00-700.00
1 Ton(MOQ)
Constructional Steel C22 1.0402 Bar& Rod for General Engineering Purposes
US$0.80-1.50
1 kg(MOQ)
Hot Rolled Steel Flat Bar
US$650.00-700.00
1 Ton(MOQ)
Mild Steel Flat Bar
US$650.00-700.00
1 Ton(MOQ)
Hot Work Mould Tool Alloy Steel Plate Flat Bar Fdac for Extrusion Die
US$1,950.00-2,100.00
10 Tons(MOQ)



















