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Large Diameter Carbon Steel Train Spring
US$1.00-100.00
1,000 Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableFunction
BufferMaterial
SteelModel NO.
TR-0009Usage
Industrial, BogieLoad Type
CompressionProduction Process
Cold RollShape
CoilPayment
T/T,L/CDelivery Time
30daysMOQ
1000Wire Diameter
CustormizedPacked
Wood CaseTransport Package
Wood CaseSpecification
custormizedTrademark
tedrailOrigin
ChinaHS Code
8602900000Production Capacity
100, 000 Tons/ YearKey features
Comprehensive Spring Range: Supply helical coil, volute, leaf, and D-springs for bogie suspension and coupler systems.
AAR Standard Compliance: All freight car truck springs and suspension components meet AAR standards.
Wide Material Selection: Offer DIN, BS EN, JIS, and ASTM compliant Silico-Manganese and Chrome-Vanadium steels.
Custom Shape Capability: Available in round, square, rectangular, taper, flat, or special shapes per customer drawing.
Large Dimension Capacity: Wire diameter up to 80mm, outer diameter up to 500mm, and free height up to 1200mm.
Global Export Experience: Products exported to USA, South Africa, Brazil, and other international markets since 2008.
Fast Response Service: Experienced design team provides fast, high-quality services for railway vehicle solutions.
Flexible Payment Terms: Accept T/T and L/C for international transactions.
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 railway springs are available?
A:
We supply helical coil springs, compression springs, volute springs, leaf springs, and D-springs for bogie suspension and coupler draft gear.
Q:Do your springs meet AAR standards?
A:
Yes, all our freight car truck springs and suspension components are available with AAR standard compliance.
Q:What materials can be used for the springs?
A:
We provide materials compliant with DIN, BS EN, JIS, and ASTM standards, including Silico-Manganese and Chrome-Vanadium steels.
Q:Can you customize the spring shape and size?
A:
Yes, we offer round, square, rectangular, taper, flat, or special shapes with wire diameter up to 80mm and outer diameter up to 500mm.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1000 units.
Send Inquiry
*To:
Jiangsu Tedrail Industrial Co., Ltd.
Jiangsu Tedrail Industrial Co., Ltd.*Content:
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