What is the endurance limit of the spring?

The endurance limit is 100,000 times.

What is the warranty period?

The period validity is one year.

What is the supply ability per week?

The supply ability is 3,000,000 pieces per week.

Stainless Steel Constant Force Power Flat Coil Spiral Spring for Cordless Window Roller Shades Blinds

Name: Stainless Steel Constant Force Power Flat Coil Spiral Spring for Cordless Window Roller Shades Blinds
Brand: Dongguan Weihui Hardware Spring Products Co., Ltd.
SKU: 941416705

Guangdong, ChinaDongguan Weihui Hardware Spring Products Co., Ltd.

US$0.09

1,000-1,999 Pieces

US$0.07

2,000+ Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Function

Retainning

Material

Stainless Steel

Model NO.

N/A

Usage

Industrial, Motorcycle

Load Type

Bend

Production Process

Hot Roll

Shape

Leaf

Transport Package

Inner Plastic Bag and Outer Carton

Specification

CUSTIOMIZED

Trademark

N/A

Origin

China

HS Code

7320909000

Production Capacity

30000 Pieces/Week

Key features

Customizable Color: Color is customizable according to customer requirements.

OEM and ODM Service: Supports full customization from samples, designs, and flexible customization options.

Fast Sample Delivery: Samples available within 7 days, free of charge if tools are available.

High Endurance: Endurance limit of 100,000 times for reliable performance.

Competitive Pricing: Reasonable and competitive prices compared to other manufacturers.

1-Year Warranty: Period validity of one year for quality assurance.

Company profile

Years of Export ExperienceHigh Repeat Buyers Choice

Dongguan Weihui Hardware Spring Products Co., Ltd.

Guangdong, 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: 10 years CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤3.00h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and a professional technical supplier with manufacturing, export, service, quality-control, and R&D capabilities. It supports extensive customization, ODM, OEM for well-known brands, and reported new product development in the past year. Production exceeds 10 lines, with 6–10 quality-control staff, but only one year of total R&D engineer experience is stated. Service-support infrastructure is limited: no overseas warehouse, showroom, agents, branches, or offline trade-show participation, and no overseas service countries are reported. The supplier has quality assurance, but lacks written service procedures and an approved-supplier list. Financial records are identified by year, but no performance values are provided. No certification information or specific customer cases is supplied.

Supplier typeThe supplier is explicitly described as a professional technical supplier and a growing manufacturer, while its company type is listed as Combined. It reports more than 10 production lines and offers manufacturing, export trade, service, quality-control, and R&D functions.

R&D capabilityThe supplier is identified as a professional technical supplier, reported new products during the past year, and offers ODM services. However, it has no available SDK, and the stated total experience of R&D engineers is only one year, so the evidence supports product-development activity but not a conclusively strong innovation position.

Production capacityThe supplier operates more than 10 production lines, has 6–10 quality-control staff, and reports peak- and off-season lead times ranging from within 15 workdays to one month. Finished products are checked by packing staff, indicating an inspection step, although the stated inspection method appears limited.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It also provides ODM and OEM services, including OEM service for well-known brands, directly demonstrating broad customization capability.