What is your main product marking?

Normally we use our company logo with 'MF', also we could use customer's logo or without logo.

What is your plating option?

Normally the product surface color is silver (Trivalent Zinc Plating). Black, yellow, red, green, blue also are available (Powder Spraying or Paint Spraying).

Are you a trading company or factory?

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

Small Wire Diameter Constant Spring

Name: Small Wire Diameter Constant Spring
Brand: Yangzhou Mingfeng Spring Co., Ltd.
SKU: 776854465

Jiangsu, ChinaYangzhou Mingfeng Spring Co., Ltd.

US$0.10

10,000 Pieces

Product profile

Customization

Available

Function

Measurement

Material

Stainless Steel

Model NO.

MF192

Usage

Industrial, Auto, Furniture

Load Type

Extension

Production Process

Hot Roll

Shape

Coil

Wire Diameterl

as Your Reauest

Free Height

as Your Request

Surface Treatment

as Your Request

Professional

More Than 25 Years

Transport Package

Carton

Specification

SGS

Origin

Yangzhou Jiangsu

Production Capacity

2000000 Per Year

Key features

Full Customization Options: Customizable wire diameter, free height, and surface treatment based on customer requests.

IATF16949 & SGS Certified: Quality standard certified by IATF16949 and SGS for industrial and automotive applications.

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

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

Fast Response to Complaints: Customer complaints are responded to within 24 working hours with a satisfactory solution.

Free Sample Availability: Free samples are available subject to company rules regarding sample and value.

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

Established Manufacturer: Factory established in 1986 with over 25 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:What is your delivery time?

Normally our delivery time is 45 days (except the holiday and special bulk order).

Q:Can you supply free samples?

Yes, free sample is available for us (the sample and value should be according to our company rule).

Q:What is your main product material?

Carbon steel and stainless steel. We purchase it from iron and steel group companies around Jiangsu and Zhejiang.

Q:How do you control your product quality?

All products have to go through six checks in the whole process: 1)material inspection; 2)product inspection; 3)routing inspection; 4)inspection before plating; 5)final inspection after plating; 6)inspection before delivery.

Q:How do you deal with the clients' complaint?

We will give a response for clients' complaint within 24 working hours, based on the fact, we will give a satisfied answer to customers.