Where is the factory located?

The factory is located in Wanjiang town, Dongguan, Guangdong, China.

What is the main function of this spring?

The main function is restoration, suitable for cables and fire dampers.

Stainless Steel Constant Force Spring Retractable Flat Coil Spiral Power Spring for Cables Fire Dampers

Name: Stainless Steel Constant Force Spring Retractable Flat Coil Spiral Power Spring for Cables Fire Dampers
Brand: Dongguan Weihui Hardware Spring Products Co., Ltd.
SKU: 1936415782

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

US$0.01

1,000 Pieces

Product profile

Customization

Available

Function

Restoration

Material

Stainless Steel

Model NO.

N/A

Usage

Industrial

Load Type

Bend

Production Process

Cold Roll

Shape

Coil

Transport Package

Plastic Bag and Carton

Specification

custom

Trademark

Weihui

Origin

China

HS Code

7320209000

Production Capacity

300000PCS/Month

Key features

Professional Manufacturer: Specialized spring manufacturer with 15 years experience and advanced production lines.

High Production Capacity: Capable of producing 3,000,000 pieces per week with complete heat treatment and testing.

OEM/ODM Service: Offers full customization from samples, designs, and flexible minor customization options.

Global Market Presence: High reputation in Middle East, South America, Western/Eastern Europe, Russia, and China.

Quality Assurance: Strict random inspection including visual and function checks for finished products.

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: ≤5.03h

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.