What materials are available for these springs?

We offer a wide range of materials including Titanium, stainless steel, Carbon steel, Cr5, Iron, Nickel plated carbon line, Nickel plated steel wire harp, Flat wire, Square wire, and SUS304/316/302.

What is the lead time for production?

The standard lead time is 15 days.

What certifications do you have?

We are proudly certified under the prestigious ISO 9001 quality management system.

Premium Copper Progressive Springs for Engineering and Manufacturing

Name: Premium Copper Progressive Springs for Engineering and Manufacturing
Brand: Qingdao Xinyongxin Machinery Co., Ltd
SKU: 2064490352

Shandong, ChinaQingdao Xinyongxin Machinery Co., Ltd

US$0.10-9.00

200 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Function

Pressed, Buffer, Drive, Restoration, Measurement

Material

Steel

Model NO.

Springs-9

Usage

Industrial, Auto, Furniture, Motorcycle, Home Appliance

Load Type

Compression

Production Process

Hot Roll

Shape

Spiral

Materials1

Copper Coil Spring

Materials2

Iron Coil Spring

Materials3

Brass Spring in Coi

Application

Coil Spring Toyota

Model Number1

Small Coil Springs

Model Number2

Super Alloy Springs

Transport Package

Wood or Other Packaging After Forced Treatment

Trademark

XINYONGXIN

Origin

China

HS Code

3926901000

Production Capacity

50000/Year

Key features

OEM/ODM Customization: Supports custom materials, shapes, and applications for specific engineering needs.

Wide Material Selection: Available in Copper, Iron, Brass, Steel, Titanium, Stainless Steel, and more.

ISO 9001 Certified: Manufactured under ISO 9001:2015 quality management system standards.

Fast Lead Time: Standard production lead time is 15 days for prompt delivery.

Comprehensive QC: 100% inspection available with weekly tracking reports and detailed documentation.

Versatile Applications: Suitable for industrial, auto, furniture, motorcycle, and home appliance sectors.

Flexible Payment: Accepts T/T, L/C, D/A, D/P, and PayPal for convenient transactions.

Free Samples: Free samples provided to ensure satisfaction, mold fee may apply.

Company profile

High Repeat Buyers ChoiceYears of Export Experience

Qingdao Xinyongxin Machinery Co., Ltd

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2007-03-01Nearest Port: QINGDAOAverage Response Time: ≤7.48hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryQingdao Xinyongxin Machinery Co., Ltd. is identified as a professional machinery technology supplier with more than 20 years of experience. It provides 3D software design, SDK availability, and broad customization options, supported by CNC, casting, forging, stamping, and machining capabilities. Production evidence includes three production lines, 6–10 quality-control staff, and stated agricultural machinery parts output of 5,000 tons. The supplier exports extensively, with 90% of sales from exports and markets across multiple regions. Quality assurance and raw-material traceability are present, but several control procedures lack written records. It has inventory and manufacturing subcontractor contract capabilities, while lacking overseas warehouses, showrooms, agents, branches, and offline trade-show participation. Financial information is present only as year references, without sufficient evidence to assess credibility.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and has focused on machinery manufacturing for more than 20 years. Its stated scope covers machinery, agriculture, transportation, mining, and general industries, indicating an established machinery-manufacturing supplier profile.

R&D capabilityThe supplier reports professional R&D capability, 3D software design services, SDK availability, and technology accumulation and innovation over more than 20 years. These explicit capabilities support a positive assessment of technical innovation resources.

Production capacityProduction resources include three production lines, 6–10 quality-control staff, a broad equipment base, manufacturing contracts with associated subcontractors, inventory capability, and stated agricultural machinery parts output of 5,000 tons. Quality assurance and raw-material traceability are present, although finished-product inspection and supplier-assessment procedures lack complete written records.

Customization capabilityThe supplier explicitly provides customization from samples and designs, full, minor, and flexible customization, together with 3D software design services. This demonstrates broad customization coverage rather than a single limited service type.

Client casesThe supplier states that it exports to Australia, the United States, Canada, and other countries and has established stable strategic partnerships with several well-known manufacturing enterprises in the United States and Canada. These statements provide evidence of international customer experience, though individual customer names and project details are not provided.

Product Q&A

Q:Are you a trading company or a manufacturer?

XINYONGXIN is a distinguished manufacturer with a prominent focus on export trade, offering unmatched expertise and superior quality in every product.

Q:What is the scale of your factory?

Our vast factory extends over 10,000 square meters, fully equipped for cutting, bending, stamping, welding, casting, and machining. We are supported by a dedicated team of 100 skilled professionals, committed to excellence.

Q:Is OEM acceptable?

OEM is indeed our forte, backed by our extensive production lines that encompass a variety of manufacturing processes. We are devoted to propelling XINYONGXIN manufacturing to a global standard of excellence.

Q:What is your MOQ?

We are eager to develop promising products for our clients, enthusiastically embracing even the smallest orders. Please provide comprehensive product details and feel free to contact us for personalized assistance.

Q:Do you provide samples? Free or charge?

XINYONGXIN is committed to producing samples for our clients until they are completely satisfied. Generally, samples are provided free of charge, though a mold fee may be required based on the product specifications.