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High Quality Heavy Duty High Temperature Manganese Spring Steel Train Compression Spring
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-0009

Usage

Industrial, Bogie

Load Type

Compression

Production Process

Cold Roll

Shape

Coil

Payment

T/T,L/C

Delivery Time

30days

MOQ

1000

Wire Diameter

Custormized

Packed

Wood Case

Transport Package

Wood Case

Specification

custormized

Trademark

tedrail

Origin

China

HS Code

8602900000

Production Capacity

100, 000 Tons/ Year

Key features

Wide Spring Range: Supply freight wagon, passenger coach, and locomotive springs including bogie and brake cylinder springs.
AAR Standard Compliance: All springs available with AAR standards for primary suspension, side springs, and dual rate springs.
Diverse Material Options: Supply Silico-Manganese and Chrome-Vanadium steels meeting DIN, BS EN, JIS, and ASTM standards.
Custom Shape Capability: Available in round, square, rectangular, taper, flat, or special shapes per customer drawings.
Large Dimension Capacity: Wire diameter up to 80mm, outside diameter up to 500mm, and free height up to 1200mm.
Fast Lead Time: Off-season lead time within 15 workdays; peak season lead time is one month.
Global Export Experience: Products exported to the United States, South Africa, Brazil, and other international markets.
Professional Design Team: Experienced railway vehicle design team providing fast, high-quality services at any time.

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 spring materials are available?
A:
We supply Silico-Manganese and Chrome-Vanadium steels complying with DIN, BS EN, JIS, and ASTM standards.
Q:Do you offer AAR standard springs?
A:
Yes, all springs including primary suspension, side springs, and dual rate springs are available with AAR standards.
Q:What are the maximum dimensions for your springs?
A:
We can produce springs with wire diameter up to 80mm, outside diameter up to 500mm, and free height up to 1200mm.
Q:Can you customize spring shapes?
A:
Yes, we offer round, square, rectangular, taper, flat, or any special shape based on customer drawings.
Q:What is your minimum order quantity?
A:
The minimum order quantity is 1000 units.

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