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Product profile
Customization
AvailableFunction
MeasurementMaterial
Stainless SteelModel NO.
MF143Usage
Industrial, Auto, FurnitureLoad Type
CompressionProduction Process
Hot RollShape
CoilWire Diameterl
as Your ReauestFree Height
as Your RequestSurface Treatment
Spray-PaintProfessional
More Than 25 YearsTransport Package
CartonSpecification
SGSOrigin
Yangzhou JiangsuProduction Capacity
2000000 Per YearKey features
Customizable Dimensions: Wire diameter, free height, and outer diameter are fully customizable to your request.
Diverse Surface Finishes: Options include white zinc, color zinc, nickel plating, chrome plating, and plastic spraying.
High Precision Manufacturing: Equipped with over 50 sets of advanced CNC coil spring machines imported from Taiwan.
Comprehensive Quality Control: Six-step inspection process covering material, routing, plating, and final delivery checks.
OEM and ODM Services: Full customization available including custom logos and designs from samples or drawings.
Experienced Production Team: Over 25 years of experience with 6 professional technical engineers and 4 QA inspectors.
Global Market Reach: Products exported to Europe, America, Russia, South America, and the Middle East.
Certified Quality Standards: Manufacturing certified under IATF16949 and SGS standards for industrial reliability.
Company profile

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:What is your delivery time?
A:
Normally our delivery time is 45 days, except for holidays and special bulk orders.
Q:Can you supply free samples?
A:
Yes, free samples are available, subject to our company rules regarding sample and value.
Q:What surface colors are available?
A:
Normally silver (Trivalent Zinc Plating), but black, yellow, red, green, and blue are also available via powder or paint spraying.
Q:How do you control product quality?
A:
All products undergo six checks: material inspection, product inspection, routing inspection, inspection before plating, final inspection after plating, and inspection before delivery.
Q:What is your main product material?
A:
We use carbon steel and stainless steel, sourced from iron and steel group companies in Jiangsu and Zhejiang.
Send Inquiry
*To:
Yangzhou Mingfeng Spring Co., Ltd.
Yangzhou Mingfeng Spring Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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