How are the spring parameters identified?

The number of spring sets and main parameters are marked on a copper sheet attached to the spring.

What payment terms do you accept?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as payment terms.

Where is the nearest shipping port?

The nearest port is Zhangjiagang, Shanghai.

Train Damping Compression Spiral Spring

Name: Train Damping Compression Spiral Spring
Brand: Jiangsu Tedrail Industrial Co., Ltd.
SKU: 820657645

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

Transport Package

Wood Case

Specification

custormized

Trademark

tedrail

Origin

China

HS Code

8602900000

Production Capacity

100, 000 Tons/ Year

Key features

High Fatigue Life: K6 bogie springs reach 3 million cycles; K2 springs reach 2.6 million cycles.

High Speed Compatibility: Designed for bogie passenger trains with a maximum speed of 300 km/h.

AAR Standard Compliance: Available with AAR standards for freight car trucks and primary suspension.

Diverse Material Options: Offers Silico-Manganese and Chrome-Vanadium steels per DIN, BS, JIS, and ASTM standards.

Advanced Heat Treatment: Uses intermediate frequency heating to reduce surface oxidation and decarburization.

Comprehensive Product Range: Includes Helical Coil, Volute, and Leaf springs for various railway applications.

Global Export Experience: Exported to USA, South Africa, Brazil, and other regions since 2002.

Detailed Parameter Marking: Spring sets and main parameters are clearly marked on copper sheets attached to the spring.

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.