Premium OEM Carbon Steel Torsion Springs for Roller Shutter Doors

Name: Premium OEM Carbon Steel Torsion Springs for Roller Shutter Doors
Brand: Hefei Wang Qin Spring Co., Ltd.
SKU: 933343065

Anhui, ChinaHefei Wang Qin Spring Co., Ltd.

US$0.50-1.80

5,000 kg

Sample price:US$1.21/kg.Request sample

Product profile

Customization

Available

Type

Door Spring

Material

High Carbon Steel

Model NO.

QYS353

Function

Drive, Restoration, Measurement

Usage

Industrial, Auto, Furniture, Home Appliance

Load Type

Torsion

Wire Diameter

2.0-12mm

Transport Package

Standard Packaging, Wooden Carton

Specification

Trademark

Origin

Hefei Anhui China

HS Code

7320909000

Production Capacity

5000pairs/Week

Key features

High Carbon Steel Material: Made of 72B, 82B, 60Si2MnA, 65Mn for durability and strength.

Oil Tempered & Black Coated: Features oil tempered finish with black coating for smooth operation.

Aluminum Cones Included: Comes with both winding and stationary aluminum cones installed.

Durable Wire Diameter Range: Available in wire diameters from 2.0mm to 12mm.

High Cycle Life: Minimum 10,000 cycles at +/- 7.5lbs of target door weight.

Full Customization Options: Customizable based on drawings, samples, and specific dimensions.

Multiple Surface Treatments: Options include zinc plating, nickel plating, chrome, powder coating, and oil.

SGS & ISO9001 Certified: Product meets international quality standards with SGS and ISO9001 certification.

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: ≤0.08h

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.

Product Q&A

Q:Are you a manufacturer? Do you Accept OEM?

Yes, as a professional manufacturer, we have been in spring field for over 14years and we accept OEM! Just give us your design, we will make samples for you soon.

Q:How long is your delivery time?

Within 3-5 days after order confirmed. Of course, it depends on the actual quantity.

Q:What payment method do you accept?

we accept T/T, western union or paypal before production. Other payments are negotiable

Q:What is your sea shiping port?

SHANGHAI port usually; any problems contact us ASAP.

Q:What is your warranty?

One year after sale service.