Do you provide surface treatment options?

Yes. We offer plating, coating, and anti-corrosion treatments such as zinc, nickel, or powder coating for enhanced durability.

What industries do your springs serve?

Our springs are widely used in automotive, machinery, electronics, industrial equipment, and other custom applications.

Can you handle small and bulk orders?

Yes, we produce both small batches for prototypes and high-volume orders with consistent quality.

How are your springs packaged for delivery?

Products are packed with protective materials, labeled for traceability, and delivered using reliable logistics partners worldwide.

Do you comply with international standards?

Yes. Our production and inspection follow ISO, DIN, and other relevant international standards to meet global customer expectations.

Tension Springs Find Your Perfect Spring Custom Sizes & Forces for Any Application.

Name: Tension Springs Find Your Perfect Spring Custom Sizes & Forces for Any Application.
Brand: Zhuji Bosswinn Springs Co., Ltd.
SKU: 2116370812

Zhejiang, ChinaZhuji Bosswinn Springs Co., Ltd.

US$0.988

10,000,000 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Function

Phonation, Drive, Restoration, Measurement

Material

Steel

Model NO.

tension spring

Usage

Industrial, Auto, Motorcycle, Home Appliance

Load Type

Extension

Production Process

Cold Roll

Shape

Conical

Transport Package

Carton

Specification

100 x110x120

Trademark

Bosswinn

Origin

China

Key features

Micron-Level Precision: CNC coiling ensures consistent wire diameter and coil spacing for predictable force characteristics.

Custom End Configurations: Offers machine hooks, full loops, side loops, and custom-designed ends for optimal force alignment.

Wide Material Selection: Available in Music Wire, Stainless Steel (302/304/316), Oil-Tempered Wire, and Exotic Alloys like Inconel.

Industry-Benchmark Quality: Produced under ISO 9001 and AS9100 certified quality systems with full traceability and lot control.

Comprehensive Testing: Every lot undergoes rigorous testing for load, spring rate, initial tension, and cycle life (fatigue).

Engineering Support: Expert design consultation provided to optimize spring performance, space utilization, and cost.

Versatile Applications: Suitable for Aerospace, Medical Devices, Automotive, and Industrial Automation systems.

Flexible Customization: Supports full customization from samples or designs, including minor and flexible adjustments.

Company profile

Customization from SamplesQuality AssuranceQA/QC InspectorsProduction Process Visualization

Zhuji Bosswinn Springs Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤10.48h

About Our Factory & Business Background

AddressNo. 8, Xingye 3 Road, Taozhu Street, Zhuji City, Shaoxing, Zhejiang, China

Registered Capital30,000,000 RMB

Terms of PaymentLC, Western Union, Small-amount payment, PayPal, D/P, T/T

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Minimum Order Quantity5,000 pcs

Supply Chain Partners15

Our Production Capability & Technical Expertise

Main ProductsSpring

Production Lines5

Production MachinesSpring Coiling Machine, Tempering Machine, Grinding Machine, Compress Machine, Sorting Machine, Fatigue Machine, Tensile And Compression Testing Machine

QA/QC inspectors3 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instruction but no written records

R&D Engineers1 people

Traceability of Raw MaterialsYes

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2020-08-24

Main MarketsEurope

Repeat Buyers Choice50%~80%

Number of Foreign Trading Staff4

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:What materials are used for Bosswinn tension springs?

We use high-quality carbon steel, stainless steel, alloy steel, and other specialty materials based on customer requirements and application needs.

Q:Can Bosswinn produce custom designs?

Yes. We manufacture tension springs according to your drawings, specifications, and performance requirements. Prototyping and design support are also available.

Q:What size range do you offer?

Our production covers a wide range of wire diameters, lengths, and load capacities. We can customize for light, medium, or heavy-duty applications.

Q:How do you ensure product quality?

All springs undergo strict quality control, including material verification, dimensional checks, load and elongation tests, surface finish inspection, and fatigue testing.

Q:What is your lead time?

Standard orders typically ship in 2-4 weeks. Lead times vary depending on quantity and customization level.