What surface treatments are available?

Options include powder coating, galvanized, oiled, and electrophoretic treatments to prevent rust.

What is the cycle life of the springs?

The springs are designed for a cycle life of 10,000 to 30,000 times depending on usage.

Do you provide certifications?

Yes, we provide SGS test reports, material certificates, and factory inspection reports.

High-Quality 2" Torsion Spring for Garage Doors - Left & Right

Name: High-Quality 2" Torsion Spring for Garage Doors - Left & Right
Brand: Hefei Wang Qin Spring Co., Ltd.
SKU: 2322755185

Anhui, ChinaHefei Wang Qin Spring Co., Ltd.

US$1.20-1.50

5,000 kg

Sample price:US$1.40/kg.Request sample

Product profile

Customization

Available

After-sales Service

Sincere to The Letter of The Perfect Service, 100%

Warranty

1 Yeay

Model NO.

QYS13747852

Type

Door Spring

Material

Metal

Direction

Left Hand & Right Hand

Surface Treatment

Zinc&Black Coated

Length

as Your Require

Spring Cone

1 3/4" , 2 " , 2 5/8" , 3 3/4" , 5 1/4" , 6" etc

Size

Customized or Design

Transport Package

Plywood Box

Specification

2-12mm

Trademark

Origin

Hefei

HS Code

7320909000

Production Capacity

60t/Month

Key features

Customization Support: Custom wire diameter, inner diameter, length, color and loading weight available.

Long Service Life: Professional heat treatment ensures more than 18,000 open and close cycles.

Premium Material: Made of high carbon steel or 60Si2MnA alloy steel for high hardness and bearing capacity.

Anti-rust Treatment: Options include powder coating, galvanized, oiled, and electrophoretic surface treatments.

Strict Quality Control: 100% inspection before shipment with SGS test reports and material certificates.

Fast Delivery: 7-15 working days for formal orders; sample orders delivered within 3-5 days.

Versatile Application: Suitable for residential, commercial, and industrial garage doors and rolling shutters.

Stable Performance: Uniform force and no deformation ensure smooth lifting and balanced tension.

Company profile

Patents AwardedFast DeliveryQuality AssuranceR&D Capabilities

Hefei Wang Qin Spring Co., Ltd.

Anhui, 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: 11 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤0.10h

AI-Powered supplier vetting

SummaryHefei Wang Qin Spring Co., Ltd. is a manufacturer based in Anhui, China, specializing in the design and production of automatic door balance system springs. The company holds ISO 9001 certification and has a strong focus on quality control. However, it lacks written records for corrective and preventive actions and customer complaint handling procedures. The supplier is capable of providing OEM and ODM services but lacks recent innovation in R&D. It also has limited international service capabilities, with no overseas warehouses or agents. The company has a moderate production capacity and offers flexible customization options.

Supplier typeThe supplier is a combined manufacturer and factory based in China, operating as a limited company.

CertificationsThe supplier holds an ISO 9001 certification, indicating compliance with quality management standards.

R&D capabilityThe supplier offers customization but has not introduced new products in the past year, reflecting limited innovation.

Production capacityThe supplier operates 9 production lines and has a significant annual output of garage door springs, indicating strong production capability.

Customization capabilityThe supplier provides a range of customization services, including full and minor customization, indicating flexibility.

Client casesThe supplier provides OEM services for popular brands, demonstrating experience with significant clients.