What are the payment terms?

We accept TT, with a 30% deposit and the 70% balance paid against the Bill of Lading.

High Precision Oil Tempered Surface Garage Door Side Extension Springs

Name: High Precision Oil Tempered Surface Garage Door Side Extension Springs
Brand: Wuxi Newton Technology Co., Ltd.
SKU: 1974041741

Jiangsu, ChinaWuxi Newton Technology Co., Ltd.

US$1.50

50-499 kg

US$1.20

500-4,999 kg

US$0.80

5,000+ kg

Sample price:US$1.00/set.Request sample

Product profile

Customization

Available

Function

Sectional Door Spring

Material

High Carbon Steel

Model NO.

NTGS

Usage

Industrial, Home Appliance

Load Type

Torsion

Production Process

Hot Roll

Shape

Waved

Used Material

72b. 82b. 60si2mn

Working Lifespan

10 Years Warranty

Inner Diamater

1-3/4", 2", 2-5/8"

Surface Treatment

Oil Tempered, Galvanized, Powder, Electrophoresis

Spring Fitter

1-3/4", 2", 2-5/8"

Type

Torsion Spring, Extension Spring

Productivity

5000 Paris Per Week

Direction

Left Hand & Right Hand

Lead Time

15 Days for a Container

Quality Control

Spring Fatigue Testing

Package

Inner: Plastic Waterproof Film; External: Crate

Sample

Available

Spring Fitter Material

Aluminum Alloy

Product Name

Carbon Steel Overhead Garage Door Torsion Spring

Transport Package

Plywood Crate

Specification

Spring size can be customized

Trademark

NEWTON

Origin

Wuxi, Jiangsu, China

HS Code

7320209000

Production Capacity

5000 Pairs Per Week

Key features

Premium Spring Material: Made from 72B, 82B, and 60Si2Mn high carbon steel for superior strength and durability.

Anti-Rust Surface Treatment: Available in oil tempered, galvanized, powder coated, or electrophoresis finishes to prevent corrosion.

Durable Aluminum Joint: Features thickened aluminum alloy joints that are resistant to breaking and fatigue.

Long Service Life: Designed for a 10-year warranty lifespan with rigorous spring fatigue testing quality control.

Flexible Customization: Offers full customization for inner diameter, spring fitter, and surface treatment options.

High Production Capacity: Capable of producing 5000 pieces per week with a lead time of 15 days for a container.

Manufacturer Direct: Direct factory supply with over 20 years of industry experience and global cooperation.

Low MOQ: Minimum Order Quantity is just 1 piece, allowing for easy sample testing and small orders.

Company profile

Fast DeliveryFlexible Customization100% Finished Products InspectionProduct Certification

Wuxi Newton Technology Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 2 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.62h

About Our Factory & Business Background

AddressNo. 101 Huichang Road, Wuxi Huishan Economy Development Zone, Wuxi, Jiangsu, China

Plant Area100 square meters

Registered Capital2,000,000 RMB

Terms of PaymentLC, T/T, D/P

International Commercial Terms(Incoterms)FOB, CIF, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays, one month Off Season Lead Time: within 15 workdays

Minimum Order Quantity1

Supply Chain Partners5

Our Production Capability & Technical Expertise

Main ProductsIndustrial Sectional Door, PVC High Speed Door, Garage Door, High Speed Roller Shutter, Glass Sectional Door, Industrial Folding Door, Sectional Overhead Door, Garage Door Hardware Kit

Production Lines2

Production MachinesCNC Facility

QA/QC inspectors1 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

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast, Africa, Australia, Domestic

Repeat Buyers Choice50%~80%

Annual Export Revenue3,982,786.04 RMB

Number of Foreign Trading Staff1

Overseas Agent/BranchNo

New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Product CertificationCE

Cooperated with Fortune 500No

Product Q&A

Q:Are you a manufacturer?

Yes, we are a manufacturer in this industry for more than 20 years and have cooperated with customers from all over the world.

Q:What is your main product?

Our products include automatic/manual industrial folding doors, commercial folding doors, sectional garage doors, sectional industrial doors, high-speed PVC doors, hard metal high-speed doors, zipper self-repairing high-speed doors, thermal insulated high-speed doors, sectional door openers, hydraulic dock levelers, and different types of dock shelters.

Q:Is customization available?

Yes, we provide customization services according to your requirements, including spring head color marking and spring information coding.

Q:Can I get a sample?

Yes, we can provide free samples, but the shipping cost is on your side.

Q:What is the lead time?

Normally, our lead time is 15-20 days upon receiving the deposit.