What is your delivery time?

Normally our delivery time is 45 days, excluding holidays and special bulk orders.

Do you offer free samples?

Yes, free samples are available according to our company rules.

What surface finishes are available?

Normally the product surface color is silver (Trivalent Zinc Plating). Black, yellow, red, green, and blue are also available via powder or paint spraying.

How do you handle customer complaints?

We provide a response within 24 working hours and give a satisfied answer based on the facts.

What is the packaging method?

Products are protected with plastic caps and then packed in carbon boxes.

Compression Spring Automobile Suspension Spring for Coilovers

Name: Compression Spring Automobile Suspension Spring for Coilovers
Brand: Yangzhou Mingfeng Spring Co., Ltd.
SKU: 762199265

Jiangsu, ChinaYangzhou Mingfeng Spring Co., Ltd.

US$2.00

1 Piece

Product profile

Customization

Available

Type

Auto Fasteners

Material

Steel

Model NO.

MF002

Muffler Type

Rear Muffler

Deck

Single

Automobile Suspension Spring

Large Spring

Transport Package

as Your Request

Specification

TS16949, ISO: 2001, SGS

Trademark

mingfeng

Origin

Jiangsu, China

HS Code

7320909000

Production Capacity

100000 / Month

Key features

Comprehensive Certification: ISO9001, TS16949, SGS, ISO14001 certified for quality and environmental standards.

Customization Options: Full customization available for wire diameter, outer diameter, free length, and surface finish.

Advanced Manufacturing: Over 50 sets of advanced numerical control coil spring machines imported from Taiwan.

Diverse Material Selection: Available in stainless steel, alloy, spring steel, and carbon steel.

Wide Application Range: Suitable for automobile chassis, engines, aerospace, medical equipment, and industrial machinery.

Strict Quality Control: Six-step inspection process including material, routing, plating, and final delivery checks.

OEM/ODM Services: Supports full customization, minor customization, and logo printing based on customer designs.

Experienced Manufacturer: Established in 1986 with over 29 years of experience in spring production.

Company profile

Yangzhou Mingfeng Spring Co., Ltd.

Jiangsu, 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: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells springs, mechanical components, vibration and noise-reduction equipment, rubber and plastic products, hydraulic components, and related products. It reports broad customization and ODM capabilities, recent new-product activity, OEM service for recognized brands, and production-related facilities covering winding, grinding, spraying, polishing, and punching. Quality control includes four inspectors and documented finished-product inspection instructions. The supplier states that it maintains written procedures for supplier assessment, corrective and preventive actions, and complaint handling. It has valid manufacturing contracts with associated subcontractors and reports inventory capability, but no overseas warehouse or showroom. Export sales represent 41%–50% of total sales, with Shanghai Port identified as the nearest port and stated lead times of within 15 working days in both peak and off-season. Evidence is insufficient to confirm certifications, detailed...

Supplier typeThe supplier is a manufacturer and seller of springs, mechanical parts, vibration and noise-reduction equipment, rubber and plastic products, hydraulic machinery components, and related equipment. Its registered business scope indicates a multi-product industrial manufacturer rather than a pure trading intermediary.

After-Sales capabilityThe supplier reports clear procedures and followed records for handling customer complaints, as well as documented corrective and preventive action procedures. This supports an established complaint-resolution process, although the slices do not provide response times, service results, warranty terms, or overseas service coverage.

R&D capabilityThe supplier states that it had new products during the past year and provides ODM services, indicating ongoing product-development activity. However, it reports no available SDK, and no details are provided on R&D staffing, patents, laboratories, or development resources.

Production capacityProduction evidence includes dedicated winding, grinding, spraying, polishing, and punching facilities, four quality inspectors, documented finished-product inspection instructions, inventory capability, and valid contracts with associated subcontractors. The supplier also reports lead times within 15 working days in both peak and off-season and describes a strict quality system, but the stated monthly production figure is unclear and cannot support a precise capacity assessment.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM availability, providing direct evidence of broad product-development and customization support.

Client casesThe supplier states that it provides OEM services to recognized brands and has received positive customer recognition from the seal, automotive and motorcycle, mechanical, electrical, electronics, and appliance industries. No customer names, project descriptions, order scope, or independently verifiable case details are provided.

Product Q&A

Q:When was your company founded?

Our company was founded in 1986.

Q:What is the plant area?

Our company covers an area of more than 8000 square meters.

Q:Are you a trading company or a factory?

We are a factory specialized in manufacturing all kinds of springs.

Q:What are your main products?

Our main products include coil spring, suspension spring, valve spring, oil seal spring, torsion spring, extension spring, snap spring, and spiral spring.

Q:What is your annual production capacity?

Our annual production is more than 800 million pieces.