Customized Heavy-Duty Extension Spring for Long-Lasting Garage Door Reliability

Name: Customized Heavy-Duty Extension Spring for Long-Lasting Garage Door Reliability
Brand: Hefei Wang Qin Spring Co., Ltd.
SKU: 2306424695

Anhui, ChinaHefei Wang Qin Spring Co., Ltd.

US$1.40-1.80

5,000 Pairs

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Sincere to The Letter of The Perfect Service, 100%

Warranty

1 Year

Model NO.

QY5897

Type

Door Spring

Material

Metal

Wire

2.5-12mm

Transport Package

Plywood Box

Specification

Customized

Trademark

Origin

Hefei Anhui China

HS Code

7320909000

Production Capacity

5000pairs/Week

Key features

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

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

Anti-rust Treatment: Options include powder coating, galvanizing, and oiling to prevent rust and fatigue.

Full Customization: Customizable wire diameter, inner diameter, length, color, and loading weight.

Strict Quality Control: 100% inspection before shipment including tension, hardness, and cycle life tests.

SGS Certification: All products come with SGS test reports, material certificates, and factory inspection reports.

Fast Delivery: Sample orders ship in 3-5 days; formal orders take 7-15 working days.

Stable Performance: Uniform force and smooth lifting to protect door panels and reduce noise.

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.