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Tension Springs Unmatched Strength Maximum Flexibility
US$0.988
10,000,000 Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableFunction
Phonation, Drive, Restoration, MeasurementMaterial
SteelModel NO.
tension springUsage
Industrial, Auto, Motorcycle, Home ApplianceLoad Type
ExtensionProduction Process
Cold RollShape
ConicalTransport Package
CartonSpecification
100 x110x120Trademark
BosswinnOrigin
ChinaHS Code
7320209000Production Capacity
100000 PCSKey features
Custom Design Capability: Full customization available for wire size, coil diameter, spring rate, and hook styles.
High Durability & Fatigue Resistance: Rated for tens of thousands to millions of cycles with strict fatigue testing.
Premium Material Selection: Made from high-carbon, stainless, or alloy steel with tensile strength up to 2,400 MPa.
Strict Quality Control: 100% inspection including load, dimensional, and hardness tests per ISO/DIN standards.
Wide Application Range: Suitable for automotive, industrial machinery, appliances, and medical devices.
Corrosion Resistant Options: Available with zinc, nickel, chrome plating, powder coating, or passivation.
Professional Engineering Support: Expert design optimization and CAD/CAM support for complex spring requirements.
Reliable Global Delivery: Efficient logistics with protective packaging to ensure safe international shipping.
Company profile
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: ≤10.82h
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 is a tension spring?
A:
A tension (extension) spring is designed to absorb and store energy by resisting a pulling force. It operates with initial tension that holds the coils tightly together.
Q:What materials does Bosswinn use for tension springs?
A:
We use high-quality carbon steel, stainless steel, alloy steel, and other materials to meet diverse performance and environmental requirements.
Q:What industries use Bosswinn tension springs?
A:
Our springs are widely used in automotive components, industrial machinery, agricultural equipment, electronics, and consumer products such as garage doors, appliances, and medical devices.
Q:Can Bosswinn manufacture custom tension springs?
A:
Yes. We produce tension springs to match your specifications, including wire size, coil diameter, spring rate, hooks/loops design, and finish treatments.
Q:How are Bosswinn tension springs tested for quality?
A:
Every spring undergoes strict quality control, including dimensional inspection, load testing at specific elongations, fatigue/cycle life tests, hardness verification, and surface defect checks.
Send Inquiry
*To:
Zhuji Bosswinn Springs Co., Ltd.
Zhuji Bosswinn Springs Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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