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Sup9a Sup11 Hot Rolled Spring Steel Flat Bar for Leaf Spring
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.
Large Inventory Availability: Maintains 50,000 tons of stock with delivery within 2 days for rush orders.
Customized Length Options: Offers standard 5.8M/6M lengths or fully custom-built dimensions per request.
Wide Size Range: Widths from 40mm to 160mm and thicknesses from 5mm to 59mm available.
ISO and TS16949 Certified: Manufacturing process certified by ISO and TS16949 standards for quality assurance.
High-Strength Material Grades: Available in SUP9 and SUP9A (5155/5160) grades from top-tier Chinese mills.
1-Year Quality Warranty: Comprehensive 1-year warranty coverage for all spring steel flat bar products.
Market Leading Share: Holds over 45% domestic market share and ranks 1st among Chinese enterprises.
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: ≤6.02h
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 warranty period for the product?
A:
We provide a 1-year quality warranty for all our spring steel flat bars.
Q:Can the length of the steel flat bar be customized?
A:
Yes, customized lengths are available, including standard 5.8M/6M or specific requirements.
Q:How quickly can you deliver rush orders?
A:
We have a large inventory of 50,000 tons, allowing delivery within 2 days for rush orders.
Q:What are the available width and thickness ranges?
A:
Width ranges from 40mm to 160mm, and thickness ranges from 5mm to 59mm.
Q:What material grades are available?
A:
We offer SUP9 (5155) and SUP9A (5160) grades sourced from top 3 Chinese steel mills.
Send Inquiry
*To:
Xiamen Wondee Autoparts Co., Ltd.
Xiamen Wondee Autoparts Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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