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Adjustable Long Flexible Steel Wire Tension Extension Coil Spring for Roller Door
US$0.99-1.98
5,000 kg
Sample price:US$8.00/pair.Request sample
Product profile
Customization
AvailableFunction
Drive, RestorationMaterial
High Carbon SteelModel NO.
QYS317Usage
Industrial, Furniture, Home Appliance, High Carbon SteelLoad Type
ExtensionProduction Process
Cold RollShape
CoilTransport Package
Standard Packing, PalletSpecification
72B, 82B, 60Si2MnATrademark
QYOrigin
Hefei Anhui ChinaHS Code
7320909000Production Capacity
5000pairs/WeekKey features
Full Customization: Customizable based on drawings, samples, and specific dimensions.
Multiple Surface Treatments: Offers white zinc plating, nickel plating, chrome plating, powder coating, and oil application.
Diverse Material Options: Available in 72B, 82B, and 60Si2MnA high carbon steel grades.
Wide Diameter Range: Diameters available from 1 3/4 inches up to 6 inches.
ISO9001 Certified: Manufacturing process meets international quality management standards.
Professional OEM Service: Over 11 years of experience in spring manufacturing and design.
Flexible MOQ Policy: Small trial orders are welcome for new customers.
Comprehensive After-Sales: One-year warranty and dedicated support team available.
Company profile
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: ≤1.60h
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?
A:
Yes, as a professional manufacturer, we have been in spring field for over 11 years and we accept OEM! Just give us your design, we will make samples for you soon.
Q:Can you do design for me?
A:
Yes. We have a professional team having rich experience in spring design and manufacturing. Just tell us your door dimension (door width&height, door weight and lifting systerm), we can custom designed spring size and spring weight.
Q:What is your strengths?
A:
Competitive price High quality Good communication with customers Best after-sales service
Q:What is your packing?
A:
a, Standard packing,PE bags, plywood cases, wooden carton, pallet. b, Based on your requirements.
Q:How long is your delivery time?
A:
Within 3-5 days after order confirmed. Of course, it depends on the actual quantity.
Send Inquiry
*To:
Hefei Wang Qin Spring Co., Ltd.
Hefei Wang Qin Spring Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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