What materials are available for these springs?

Raw materials include stainless steel, Music wire, Carbon steel (SWC), Alloy steel (SEA9260/9254/6150/SUP9/SUP10/SUP12), and 51CrV4.

What are the common applications for extension springs?

They are used in trampoline, vehicles, small electronics, house appliances, furniture, doors, windows, and exercising facilities.

What is the quality inspection process?

We perform 100% inspection on finished products, including visual and function inspection, with traceability of raw materials.

Music Wire Extension Spring with Zinc Coating Electric Tools Springs

Name: Music Wire Extension Spring with Zinc Coating Electric Tools Springs
Brand: Zhuji Bosswinn Springs Co., Ltd.
SKU: 1910868501

Zhejiang, ChinaZhuji Bosswinn Springs Co., Ltd.

US$1.00

10,000,000 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Function

Phonation, Drive, Restoration, Measurement

Material

Steel

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

Customization Options: Supports full customization from samples, designs, and flexible minor adjustments.

Wide Material Range: Available in Music wire, Carbon steel, Alloy steel, Stainless steel, and 51CrV4.

Versatile Applications: Used in trampoline, vehicles, electronics, home appliances, and exercise equipment.

Quality Certification: Certified with ISO9001-2000 and ISO14000 for strict quality control.

Professional Manufacturing: Manufacturer with 2 factories, 5 production lines, and 100% finished product inspection.

Flexible MOQ: Any quantity accepted for initial orders; 10,000 pcs recommended for mass production.

Free Sample Offer: Free samples are provided to confirm quality before placing orders.

Fast Delivery: Standard delivery in 10-15 days; one month during peak seasons.

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: ≤11.48h

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