What materials are available for these extension springs?

We offer Spring Steel, Stainless Steel, and Alloy Steel to suit different strength and corrosion resistance requirements.

Is customization available for wire diameter and length?

Yes, both wire diameter and length are customized based on your specific application needs and design specifications.

High Temperature Resistance Steel Custom Strong Extension Spring for Sofa

Name: High Temperature Resistance Steel Custom Strong Extension Spring for Sofa
Brand: Ningbo Yinzhou Bote Spring Electrical Appliance Factory
SKU: 2273528575

Zhejiang, ChinaNingbo Yinzhou Bote Spring Electrical Appliance Factory

US$0.01

1,000 Pieces

Product specifications

Specification

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Function

Pressed

Material

Spring Steel/Stainless Steel/Alloy Steel

Model NO.

BT-68

Usage

Furniture, Cars,Machines,Toys,Electronics and Tools

Load Type

Extension

Production Process

Hot Roll

Shape

Coil

Product Name

Extension Spring

Keywords

Alloy Steel Extension Spring

Feature

Stable/Long Life/Cheap Price

End/Hook Type

Custom Hooks (Based on Buyer Requirements)

Wire Diameter

Customized

Length

Custom Sizes Available Based on Application Needs

Surface Finish

Customized

Performance Advantage

High Tensile Strength

Sample

OEM & ODM Custom

Transport Package

Carton

Specification

Standard Specifications or Customized

Trademark

BOTE

Origin

Zhejiang, China

Production Capacity

30mpcs

Key features

High Temperature Resistance: Specialized steel construction ensures stability and durability under high-temperature conditions.

Custom Wire Diameter: Wire diameter is fully customized to match specific application requirements and load types.

Custom Surface Finish: Surface finish can be tailored to meet specific environmental and aesthetic needs.

Multi-Material Options: Available in Spring Steel, Stainless Steel, and Alloy Steel for diverse performance needs.

OEM & ODM Support: Full customization services including hooks, sizes, and designs based on buyer requirements.

Long Service Life: Premium materials resist fatigue, maintaining elasticity and performance over thousands of cycles.

High Tensile Strength: Precision-engineered design guarantees consistent force output and stable mechanical performance.

Versatile Applications: Suitable for furniture, automotive, machinery, electronics, and tools requiring extension springs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceSelf-branded

Ningbo Yinzhou Bote Spring Electrical Appliance Factory

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: 25 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤10.01h

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization, ODM, and R&D activity, including new products within the past year. It has one production line, specified spring-manufacturing equipment, three quality inspectors, standardized finished-product inspection instructions, and 25 years of export experience. However, its service-management procedures lack documented records, and it reports no overseas warehouses, showrooms, agents or branches, or offline trade-show participation. The supplier holds an ISO9001:2015 certificate, but no factory environmental impact assessment report and no regular fire drills in the past year are reported. Financial information is insufficient for a meaningful assessment. No OEM service for popular brands, SDK availability, or customer cases is evidenced.

Supplier typeThe supplier has manufacturing-related equipment for torsion and compression springs, hardening and grinding, one production line, and offers ODM services. Its profile therefore supports classification as a manufacturer with design and customization capability, although the slices do not provide a formal supplier-type label.

CertificationsThe supplier reports holding an ISO9001:2015 certificate. This is explicit certification evidence, although the same slice reports no factory environmental impact assessment report and no regular fire drills during the past year.

R&D capabilityThe supplier reports new products within the past year, R&D capability, and ODM services, which support active product-development capability. However, it has no available SDK and does not provide OEM services for popular brands; these limitations do not negate the stated R&D capability.

Production capacityProduction evidence includes dedicated spring machinery, one production line, three quality inspectors, standardized finished-product inspection instructions, and one-month average lead times in both peak and off-season periods. However, the factory does not continuously reconcile quantities for each batch or mass-production run, so production-control coverage is incomplete.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These capabilities are stated consistently across the R&D and design-service information.

Product Q&A

Q:Are you a factory or a trader?

We are a manufacturer integrating industry and trade. Welcome to visit our company.

Q:Can I add my LOGO to the product?

We support on-demand customization, including LOGO customization, color customization, appearance size customization, etc.

Q:What payment methods do you support?

We support T/T, Western Union, PayPal, cash, etc. The details can be negotiated.

Q:What are your modes of transportation?

We usually choose the appropriate mode of transportation (sea, air, land) according to the conditions of the goods, or we can choose the mode of transportation according to your requirements.

Q:How can I get an accurate quotation?

You can first send your specific demand information and product pictures, and we will customize a solution for you according to your needs and inform you of the specific price.