How do you ensure product quality?

We have a professional QC team that inspects each batch of goods to ensure high quality before shipment.

What is the minimum order quantity (MOQ)?

The MOQ is 200 pieces. We accept orders of any volume, including small orders.

OEM Suspension Extension Spiral Coil Roller Shutter Door Torsion Spring

Name: OEM Suspension Extension Spiral Coil Roller Shutter Door Torsion Spring
Brand: Xiamen Vigor Technology Co., Ltd.
SKU: 2220955905

Fujian, ChinaXiamen Vigor Technology Co., Ltd.

US$1.00-10.00

100 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Function

Buffer

Material

Steel

Model NO.

VTRS-04

Usage

Industrial, Auto, Home Appliance

Load Type

Torsion

Production Process

Cold Roll

Shape

Spiral

Application

Garage Doors, Roller Shutter Doors, and Other Door

Outer Diameter

50-100mm

Length

300mm, 400mm, 500mm, or Customized

Surface Treatment

Rust-Proof Oil +Powder Coated

MOQ

200 PCS

Deliver Time

7-21 Workdays Based on Order Quantity

Transport Package

Paper Bag with Pallet

Specification

Coil Diameter from 4.0mm-12.0mm

Trademark

Vigor

Origin

China

Production Capacity

200000 Pairs Per Month

Key features

Customizable Dimensions: Length available in 300mm, 400mm, 500mm, or fully customized to fit specific requirements.

High Strength Material: Made from 82B high carbon manganese steel for superior strength, toughness, and corrosion resistance.

Multi-Color Options: Standard black color with customization options for white, orange, or other specific colors.

Precision Manufacturing: Produced using advanced CNC computer spring machines ensuring high precision and efficiency.

Versatile Application: Suitable for garage doors, roller shutters, industrial roll-up doors, and commercial applications.

Durable Surface Treatment: Features rust-proof oil and powder coating to enhance longevity and resistance to wear.

Flexible MOQ: Low minimum order quantity of 200 pieces, accepting orders of any volume for small businesses.

Quality Assurance: Each batch is inspected by professional QC to ensure high quality before shipment.

Company profile

High Repeat Buyers ChoiceFast DeliveryCustomization from DesignsCustomization from Samples

Xiamen Vigor Technology Co., Ltd.

Fujian, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤8.87h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with substantial export activity, including self-operated import and export rights, and six years of export experience. It offers multiple customization models, ODM services, and OEM services for popular brands, but is not identified as a professional technical supplier and does not provide 3D software design or SDK support. Quality inspections are reportedly conducted before shipment, and raw-material traceability is available; however, no supplier-management certification and no quality assurance system are reported. Service weaknesses include no documented procedures for service assessment, corrective and preventive actions, or complaint handling. The supplier has no stated inventory, overseas warehouse, overseas showroom, overseas agent or branch, or offline trade-show participation. Financial information is incomplete and includes zero values in some historical fields, so financial credibility cannot be reliably assessed from the provided information.

CertificationsNo supplier-management system certification is reported, and the quality-control data states that no quality assurance is available. Although raw-material traceability is present, the evidence does not demonstrate certification holding.

After-Sales capabilityThe supplier reports no written procedures or records for complaint handling, corrective and preventive actions, or service-capability assessment. It also lacks overseas agents or branches, overseas warehouses, showrooms, and in-stock service capacity, indicating limited documented and local after-sales support.

R&D capabilityThe supplier does not identify as a professional technical supplier, has no 3D software design service or SDK, and reports no new products during the previous year. ODM service is available, but the evidence indicates limited independent technical and recent product-development capability.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, and minor customization. It also provides ODM and OEM services, demonstrating a broad stated customization offering despite limited evidence of its underlying technical resources.

Product Q&A

Q:Can you provide free samples?

Yes. For new customers, we provide free samples for springs, pulley wheels, end locks, and other shutter door accessories, with customers paying express charges. For existing customers, we cover the express charges.

Q:Do you accept customization based on drawings?

Yes, we can customize products according to your technical drawings or samples, and we will open new moulds when necessary.

Q:What is the delivery time?

If goods are in stock, delivery takes 2-5 days. For new production, it takes 7-21 days after receiving advance payment, depending on order quantity.

Q:What are the terms of payment?

Payment terms are T/T 30% as deposit and 70% before delivery. We provide photos of products and packages before you pay the balance.

Q:What are your terms of delivery?

We accept EXW, FOB, CNF, and CIF terms for delivery.