What is the inspection process for finished products?

We perform 100% inspection on finished products, including visual inspection and function inspection, following uniform instructions.

Which industries can use this spring?

The spring is suitable for railway, automotive, and other industrial applications.

What is the material used for the spring?

The spring is made from bright steel wire, specifically stainless steel and alloy steel.

OEM/ODM Factory Price Hot Roll Special Elasticity Compression Durable Railway Locomotive Spring

Name: OEM/ODM Factory Price Hot Roll Special Elasticity Compression Durable Railway Locomotive Spring
Brand: Inner Mongolia Firmaco Import & Export CO., LTD.
SKU: 2167119112

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 and AAR Certification: Products obtained CRCC certification and North American Railway Quality System Certification (AAR M-1003).

ISO Quality Management: Certified under GB/T 19001-2016 (ISO 9001:2015) Quality Management System.

Full Customization Options: Offers customization from samples, designs, full customization, minor customization, and flexible customization.

Hot Roll Production Process: Manufactured using automatic hot-coiled spring production lines with bright steel wire.

Global Export Reach: Products exported to over 50 countries including USA, Germany, Canada, Japan, and Russia.

OEM and ODM Services: Factory provides both OEM and ODM services for railway and automotive industries.

100% Finished Product Inspection: All finished products undergo 100% visual and function inspection with uniform instructions.

Established Manufacturer: Founded in 2006, subsidiary of Inner Mongolia First Machinery Group with 20 years of export experience.

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: ≤3.95h

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 product have?

The product has obtained CRCC certification, GB/T 19001-2016 (ISO 9001:2015) Quality Management System Certification, and the North American Railway Quality System Certification (AAR M-1003).

Q:Can the spring be customized?

Yes, we offer full customization options including customization from samples, designs, minor customization, and flexible customization.

Q:What is the minimum order quantity?

The minimum order quantity is 1 set.

Q:What are the lead times for production?

During peak season, the lead time is within 15 workdays or one month. During off-season, it is also within 15 workdays or one month.

Q:What payment terms are accepted?

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