What material is used for the railway spring?

The spring is made of alloy steel, specifically bright steel wire, processed via hot rolling for high durability and compression strength.

How is the quality of the finished products ensured?

We perform 100% inspection on finished products, including visual and function inspections, with strict traceability of raw materials.

Hot Sale Buffer Special Compression Strength Durable Elasticity Railway Spring

Name: Hot Sale Buffer Special Compression Strength Durable Elasticity Railway Spring
Brand: Inner Mongolia Firmaco Import & Export CO., LTD.
SKU: 2157196502

Inner Mongolia, ChinaInner Mongolia Firmaco Import & Export CO., LTD.

US$15.00

5-99 Pieces

US$0.50

100+ Pieces

Product profile

Customization

Available

Function

Buffer

Material

Alloy

Model NO.

customized

Usage

Industrial

Load Type

Compression

Production Process

Hot Roll

Shape

Wire

Free Height

According to The Specification

Inner Diameter

According to The Specification

Total Coil

Accordng to The Specification

Transport Package

Standard

Specification

according to rigidity

Origin

Inner Mongolia, China

Production Capacity

72000PC/Year

Key features

CRCC & AAR Certified: Obtained CRCC, AAR M-1003, ISO 9001, IRIS, EN15085, and other global railway certifications.

Custom Dimensions: Free height, inner diameter, and total coil can be customized according to specifications.

OEM/ODM Support: Offers full customization, minor customization, and flexible customization from samples or designs.

High Durability: Made of alloy steel with hot roll process, designed for high compression strength and elasticity.

100% Quality Inspection: Finished products undergo 100% visual and function inspection with strict traceability.

Global Export Experience: Exported to over 50 countries including US, Germany, Canada, Japan, and Russia.

Professional R&D Team: Backed by 5,000 R&D professionals and CNAS State Key Laboratory for manufacturing.

Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceCooperated with Fortune 500Years of Export Experience

Inner Mongolia Firmaco Import & Export CO., LTD.

Inner Mongolia, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 20years CertifiedNearest Port: KarachiAverage Response Time: ≤5.32h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier offering 3D software design and broad customization services. Its stated production facilities include center sill welding, underframe welding and assembly, wagon body welding and assembly, and coating and drying lines. Service processes include written procedures for inspection, supplier assessment, corrective actions, and complaint handling, with overseas services stated for Pakistan. The supplier reports 20 years of export experience and a service-capability supplier pool of 97 qualified suppliers. Financial information is incomplete and indicates zero values for several reported historical performance fields; no financial conclusion beyond limited credibility evidence is supportable. Innovation capability is supported by design, development, process research, testing, and national-level technology platforms, but SDK availability is explicitly absent. No certification ownership or specific customer case is directly provided.

Supplier typeThe supplier is explicitly described as a professional technical supplier and operates across equipment, machinery, railway transportation equipment, automotive-related products, mechanical components, and related hardware categories. Its stated group capabilities include complete-machine and core-component design, development, process research, testing, and experimental verification.

After-Sales capabilityThe supplier states that it provides overseas debugging, maintenance, repair, training, and equipment installation in Pakistan. It also reports written and followed procedures for service-capability assessment, corrective and preventive actions, and customer complaints, supporting an established service process.

R&D capabilityThe supplier provides 3D software design and supports multiple customization modes. The group reports capabilities in machine and component design, development, process research, metrological testing, and experimental verification through national-level technology platforms; however, SDK availability is explicitly absent.

Production capacityNamed facilities cover center sill welding, underframe welding and assembly, wagon body welding and assembly, and coating and drying. The supplier also reports peak- and off-season lead times within 15 workdays to one month, together with written inspection procedures, indicating defined production and quality-control operations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, in addition to 3D software design services. This directly supports broad customization capability.

Product Q&A

Q:What certifications does the railway spring have?

The product has obtained CRCC certification, GB/T 19001-2016 (ISO 9001:2015), AAR M-1003, IRIS, ISO14001, ISO45001, EN15085, TSl, EC, ASME, and EAC certifications.

Q:Can the spring dimensions be customized?

Yes, the free height, inner diameter, and total coil can be customized according to your specific requirements or specifications.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 set.

Q:What are the available payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Q:What is the lead time for production?

The lead time is within 15 workdays during the off-season and within one month during the peak season.