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Wide Range of Springs for Freight Wagons
US$1.00-100.00
1,000 Pieces
Product profile
Customization
AvailableFunction
BufferMaterial
SteelModel NO.
TR-0014Usage
Industrial, WagonLoad Type
CompressionProduction Process
Cold RollShape
CoilPayment
L/C,T/TDelivery Time
30 DaysMethod
ForgingTransport Package
Wooden CasesSpecification
customerizedTrademark
TedrailOrigin
ChinaHS Code
8607910000Production Capacity
100, 000 Tons/ YearKey features
Comprehensive Spring Range: Supplying helical coil, volute, leaf, and compression springs for freight wagons and locomotives.
AAR Standard Compliance: All springs available with AAR standards for primary suspension, side springs, and dual rate applications.
Diverse Material Options: Offering Silico-Manganese and Chrome-Vanadium steels compliant with DIN, BS EN, JIS, and ASTM standards.
Custom Shape Capabilities: Available in round, square, rectangular, taper, flat, or special shapes per customer drawings.
Large Dimension Capacity: Wire diameter up to 80mm, outer diameter up to 500mm, and free height up to 1200mm.
Fast Delivery Time: Standard delivery within 30 days, with off-peak season lead time under 15 workdays.
Flexible Payment Terms: Accepting L/C and T/T for secure and convenient international transactions.
Global Export Experience: Products exported to USA, South Africa, Brazil, and other regions since 2008.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2008-01-01Nearest Port: ZHANGJIAGANG, SHANGHAIAverage Response Time: ≤24hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP, FCA
AI-Powered supplier vetting
SummaryJiangsu Tedrail Industrial Co., Ltd. is identified as a Chinese manufacturer/factory specializing in railway-related products, including carbodies, passenger coaches, couplers, freight cars, train parts, and cold-bending parts. The supplier reports more than 10 production lines, 50 years of combined R&D-engineer experience, 11–20 quality-control staff, and stated production capacities across several railway product categories. It reports ISO 9000 and ISO 9001 certification and describes multiple material and product testing methods. Export activity is indicated by 90% export sales, self-managed import/export rights, and exporting activity since 2008. Evidence is insufficient to verify financial strength, customization performance, after-sales capability, or a substantial customer-case history. The factory address differs slightly between records, which should be clarified during due diligence.
Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and a limited company located in Jiangsu, China. Its stated commercial scope and product keywords are concentrated in industrial equipment and railway products, including carbodies, couplers, freight cars, train parts, and interiors.
CertificationsThe supplier reports holding ISO 9000 and ISO 9001 certification. The slices do not provide certificate numbers, issuing bodies, validity dates, or scope, so the existence is reported but its current validity cannot be independently assessed.
R&D capabilityThe supplier reports 50 total experience among R&D engineers and describes a technical team experienced in railway-product design, manufacture, and inspection. It also lists chemical, metallographic, mechanical, ultrasonic, magnetic, impact, and hardness testing, supporting technical competence, but no explicit evidence of patented technology, new-product development, or measurable innovation outcomes is provided.
Production capacityThe supplier reports more than 10 production lines, 11–20 quality-control staff, and stated annual capacities of 200 carbodies, 1,200 coupler sets, 500 freight cars, 10,000 train-part sets, and 3,000 tons of aluminum profiles. Its 90% export-sales share and self-managed import/export rights further indicate established production and export operations.
Product Q&A
Q:What types of springs are available?
A:
We supply Helical Coil, Compression, Volute, and Leaf springs for bogie suspension and coupler draft gear.
Q:Do you offer AAR standard springs?
A:
Yes, all our freight car truck springs are available with AAR standards.
Q:What materials can be used for the springs?
A:
We provide Silico-Manganese and Chrome-Vanadium steels meeting DIN, BS EN, JIS, and ASTM standards.
Q:Can the spring dimensions be customized?
A:
Yes, we support custom shapes and sizes, with wire diameter up to 80mm and height up to 1200mm.
Q:What is the delivery time for orders?
A:
Standard delivery is 30 days, while off-peak season orders can be completed within 15 workdays.
Send Inquiry
*To:
Jiangsu Tedrail Industrial Co., Ltd.
Jiangsu Tedrail Industrial Co., Ltd.*Content:
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