What are the payment terms?

We accept payment via T/T (Telegraphic Transfer) and L/C (Letter of Credit).

What is the maximum speed for trains using these springs?

These springs are key parts for bogie passenger trains with a maximum speed of 300 km/h.

How are the products packaged for export?

Products are packed in wood cases to ensure safety during transportation.

Customized High Compress Locomotive Suspension Coil Spring

Name: Customized High Compress Locomotive Suspension Coil Spring
Brand: Jiangsu Tedrail Industrial Co., Ltd.
SKU: 820926315

Jiangsu, ChinaJiangsu Tedrail Industrial Co., Ltd.

US$1.00-100.00

1,000 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Function

Buffer

Material

Steel

Model NO.

TR-0018

Usage

Industrial, Bogie

Load Type

Compression

Production Process

Cold Roll

Shape

Coil

Packed

Wood Case

Payment

T/T,L/C

Delivery Time

30days

Wire Diameter

Custormized

Technical Support

Yes

Transport Package

Wood Case

Specification

custormized

Trademark

tedrail

Origin

China

HS Code

8602900000

Production Capacity

100, 000 Tons/ Year

Key features

Customizable Wire Diameter: Wire diameter is fully customized to meet specific project requirements.

High Fatigue Life: K6 bogie springs achieve a fatigue life of 3 million cycles or more.

AAR Standard Compliance: All springs can be supplied in strict accordance with AAR standards.

High-Speed Train Application: Suitable for bogie passenger trains with a maximum speed of 300 km/h.

Multiple Material Options: Available in Silico-Manganese and Chrome-Vanadium steels per DIN, BS, JIS, ASTM.

Professional Technical Support: Experienced design team provides fast, high-quality technical services.

Global Export Experience: Products exported to USA, South Africa, Brazil, and other global markets.

Secure Wood Case Packaging: Items are packed in wood cases to ensure safe transportation.

Company profile

Jiangsu Tedrail Industrial Co., Ltd.

Jiangsu, China

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 materials are available for the springs?

We supply Silico-Manganese Steel (e.g., 38Si7, 54SiCr6) and Chrome-Vanadium Steel (e.g., 55Cr3, 50CrV4) complying with DIN, BS EN, JIS, and ASTM standards.

Q:What is the fatigue life of the bogie springs?

The K6 bogie spring has a fatigue life of 3 million cycles or above, while the K2 bogie spring reaches up to 2.6 million cycles.

Q:Can the wire diameter be customized?

Yes, the wire diameter is fully customized to meet specific customer requirements.

Q:What is the lead time for production?

The average lead time is 30 days. During peak season, it takes one month, while off-season delivery is within 15 working days.

Q:Are the springs compliant with AAR standards?

Yes, all springs can be supplied in strict accordance with AAR standards, including primary suspension and side springs.