What payment method do you accept?

We accept T/T, Western Union, or PayPal before production. Other payments are negotiable.

What are your terms of payment?

For payments under 1000 USD, 100% is required in advance. For payments of 1000 USD or more, 30% T/T is required in advance with the balance before shipment.

What is your sea shipping port?

We usually ship from SHANGHAI port. Please contact us ASAP if you have any problems.

What is your warranty?

We provide one year of after-sales service.

Spring Manufacturers High Heavy Duty Spiral Extension Spring for Garage Door

Name: Spring Manufacturers High Heavy Duty Spiral Extension Spring for Garage Door
Brand: Hefei Wang Qin Spring Co., Ltd.
SKU: 931244695

Anhui, ChinaHefei Wang Qin Spring Co., Ltd.

US$0.99-1.98

5,000 kg

Sample price:US$8.00/pair.Request sample

Product profile

Customization

Available

Function

Drive, Restoration

Material

High Carbon Steel

Model NO.

QYS318

Usage

Industrial, Furniture, Home Appliance, High Carbon Steel

Load Type

Extension

Production Process

Cold Roll

Shape

Coil

Transport Package

Standard Packing, Pallet

Specification

72B, 82B, 60Si2MnA

Trademark

Origin

Hefei Anhui China

HS Code

7320909000

Production Capacity

5000pairs/Week

Key features

Customizable Dimensions: Available in 1 3/4', 2', 2 5/8', 3 3/4', 5 1/4', and 6' diameters based on drawings or samples.

Diverse Surface Treatments: Options include white zinc plating, nickel plating, chrome plating, powder coating, and oil application.

High-Quality Materials: Constructed from high carbon steel grades 72B, 82B, and 60Si2MnA for durability.

OEM and ODM Services: Full customization available from designs, samples, and minor modifications with professional engineering support.

ISO9001 Certified: Manufacturing process adheres to ISO9001 quality standards with 100% product inspection.

Flexible MOQ Policy: Small trial orders are welcome, with a standard minimum of 100 pairs for bulk production.

Fast Delivery: Standard delivery time is 7-15 workdays, with rush options available within 3-5 days for confirmed orders.

Comprehensive Warranty: Includes one year of after-sales service coverage for all manufactured springs.

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: ≤1.21h

AI-Powered supplier vetting

SummaryHefei Wang Qin Spring Co., Ltd. is a China-based manufacturer/factory in Anhui specializing in automatic door balance system and garage door springs. It reports ISO 9001 certification, nine production lines, in-stock capability, and lead times within 15 working days in both peak and off-seasons. The supplier offers broad customization, ODM, and OEM services for popular brands, but reports no new products in the past year and has fewer than five R&D engineers. Service processes exist for corrective actions and complaints, but written records and formal assessment procedures are absent. It has no overseas warehouse, showroom, agent, branch, or stated overseas-service countries, and lacks a valid manufacturing-capacity contract with related subcontractors. Financial evidence is insufficient for a credibility assessment, while customer-case evidence is limited to OEM service for popular brands and participation in R+T Asia.

Supplier typeThe supplier is identified as a manufacturer/factory and other business entity, organized as a limited company in China, with an operating location and factory address in Anhui. This directly supports classification as a manufacturing supplier.

CertificationsThe supplier reports holding ISO 9001 certification. This is explicit evidence of a certified quality management system, although no certificate scope, issuing body, or validity details are provided.

Production capacityThe supplier describes professional production and testing equipment, strict quality control, nine production lines, inventory capability, and lead times within 15 working days in both seasons. Nevertheless, it reports no valid manufacturing-capacity contract with related subcontractors, so the overall production assessment is positive but not without a documented control gap.

Customization capabilityThe supplier explicitly offers full customization, design-based customization, sample-based customization, minor customization, flexible customization, ODM services, and OEM services for popular brands. These offerings directly support strong customization capability.

Product Q&A

Q:Are you a manufacturer and do you accept OEM?

Yes, as a professional manufacturer with over 11 years of experience in the spring field, we accept OEM. Just provide your design, and we will make samples for you soon.

Q:Can you do design for me?

Yes. We have a professional team with rich experience in spring design and manufacturing. Just tell us your door dimension (door width & height, door weight, and lifting system), and we can custom design spring size and weight.

Q:What are your strengths?

Our strengths include competitive pricing, high quality, good communication with customers, and the best after-sales service.

Q:What is your packing?

We offer standard packing (PE bags, plywood cases, wooden cartons, pallets) or packaging based on your specific requirements.

Q:How long is your delivery time?

Delivery is within 3-5 days after order confirmation, though it depends on the actual quantity. Standard lead time is 7-15 workdays.