What is your delivery time?

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

What are your main markets?

Our main markets include domestic regions, Europe, America, Russia, South America, and the Middle East.

Do you offer free samples?

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

Do you have end-user clients?

Yes, we cooperate with many companies in China that produce automobile shock absorbers.

What plating options 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.

What materials do you use?

We use carbon steel and stainless steel, purchased from iron and steel group companies around Jiangsu and Zhejiang.

How do you handle product marking?

Normally we use our company logo with 'MF', but we can also use the customer's logo or no logo.

How do you control product quality?

All products go through six checks: material inspection, product inspection, routing inspection, inspection before plating, final inspection after plating, and inspection before delivery.

How many technical engineers do you have?

We have 6 professional technical engineers.

How do you deal with client complaints?

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

Custom High Quality Carbon Steel Compression Spring

Name: Custom High Quality Carbon Steel Compression Spring
Brand: Yangzhou Mingfeng Spring Co., Ltd.
SKU: 776631905

Jiangsu, ChinaYangzhou Mingfeng Spring Co., Ltd.

US$4.00

200 Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Function

Measurement

Material

Stainless Steel

Model NO.

MF145

Usage

Industrial, Auto, Furniture

Load Type

Compression

Production Process

Hot Roll

Shape

Coil

Wire Diameterl

as Your Reauest

Free Height

as Your Request

Surface Treatment

Spray-Paint

Professional

More Than 25 Years

Transport Package

Carton

Specification

SGS

Origin

Yangzhou Jiangsu

Production Capacity

2000000 Per Year

Key features

Customizable Dimensions: Wire diameter, outer diameter, and free height are fully customizable as per request.

Diverse Surface Finishes: Options include white zinc, color zinc, nickel plating, chrome plating, and various spray paints.

High Production Capacity: Annual production exceeds 800 million pieces with 50+ advanced CNC machines.

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

OEM and ODM Services: Full customization available including samples, designs, and customer logo printing.

Professional Technical Support: Six professional engineers and 24-hour response time for client complaints.

Certified Manufacturing: ISO9001:2015, ISO14001, IATF16949, and SGS certified with 29 years of experience.

Flexible Delivery Terms: Standard lead time of 45 days with peak/off-season efficiency within 15 workdays.

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: ≤24h

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 and 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 springs, suspension springs, valve springs, oil seal springs, torsion springs, extension springs, snap springs, and spiral springs.

Q:What is your annual production capacity?

Our annual production exceeds 800 million pieces.

Q:What equipment do you use for production?

We have more than 50 sets of 0.18-23mm advanced numerical control coil spring machines, mostly imported from Taiwan.