What payment method do you accept?

we accept T/T, western union or paypal before production. Other payments are negotiable

What is your terms of payment?

Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipment.

What is your sea shipping port?

SHANGHAI port usually; any problems contact us ASAP.

High-Quality Lift Door Coupler for 1-Inch Shaft Applications

Name: High-Quality Lift Door Coupler for 1-Inch Shaft Applications
Brand: Hefei Wang Qin Spring Co., Ltd.
SKU: 2307719495

Anhui, ChinaHefei Wang Qin Spring Co., Ltd.

US$1.00-15.00

200 pcs

Product profile

Customization

Available

After-sales Service

One-Stop After-Sales Support, Timely Order Deliver

Warranty

1 Year

Model NO.

QYS12578

Type

Door Hardware

Material

Steel/Aluminum

Application

All Kinds of Door Torsion System

Surface Treatment

Galvanized/Oiled/Coated

Custom Size

Available

OEM Service

Supported

Deliver Time

7-15 Workdays Based on M0q

Transport Package

Standard Packing, Pallet

Specification

Depending on the specific model

Trademark

Origin

Hefei

Key features

OEM & Customization Support: Supports customized size, logo, packaging, and technical requirements for all door systems.

High Strength & Durability: Made from premium steel or aluminum alloy with strong resistance to corrosion, wear, and deformation.

Precision Manufacturing: CNC machining ensures accurate dimensions and smooth surface treatment for stable operation.

1-Year Warranty Coverage: Provides comprehensive one-year warranty for all mechanical defects and after-sales support.

Wide Compatibility: Suitable for residential, commercial, and industrial garage doors with multiple sizes available.

Fast Delivery Time: Delivery within 3-5 days after order confirmation, depending on actual quantity.

Professional Spring Design: Custom designed spring size and weight based on door dimensions and lifting systems.

Secure Global Shipping: Multi-layer anti-rust packaging with plywood cases for safe transportation from Shanghai port.

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: ≤0.97h

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, we have been in spring field for over 20 years and we accept OEM! Just give us your design, we will make samples for you soon.

Q:Can you do design for me?

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 system), we can custom designed spring size and spring weight.

Q:What is your strengths?

Competitive price High quality Good communication with customers Best after-sales service

Q:What is your packing?

a, Standard packing,PE bags, plywood cases, pallet. b, Based on your requirements.

Q:How long is your delivery time?

Within 3-5 days after order confirmed. Of course, it depends on the actual quantity.