What surface treatments are available?

Options include plating (nickel, zinc, black, gold, silver, brass, chrome), electrophoresis coating plastic, and oiling to prevent rust.

What materials are used for the spring?

The spring is made from 82b material with a hot roll production process, designed for torsion load.

82b Overhead Garage Door 6 Inches Torsion Coil Spring with Cones

Name: 82b Overhead Garage Door 6 Inches Torsion Coil Spring with Cones
Brand: Anhui Dinglun Precision Machinery Co., Ltd
SKU: 2060847895

Anhui, ChinaAnhui Dinglun Precision Machinery Co., Ltd

Negotiable

50 Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Function

Drive

Material

82b

Load Type

Torsion

Model NO.

torsion spring

Production Process

Hot Roll

Shape

Coil

Transport Package

Wooden Box

Trademark

Origin

China

HS Code

7320909000

Production Capacity

10000pairs/Week

Key features

Flexible Customization: Supports full customization, minor adjustments, and design-based modifications.

Durable Surface Treatment: Available in nickel, zinc, black, gold, silver, brass, chrome plating, and electrophoresis.

Anti-Rust Protection: Oiled surface treatment effectively prevents rust and ensures longevity.

High-Quality Material: Made from 82b steel wire with hot roll production process for torsion load.

Secure Packaging: Inner plastic bag with outer cartons, wooden boxes, or pallets for safe shipping.

Free Sample Policy: Free samples available for a few pieces; customer only pays freight cost.

Mold Customization: Accepts custom mold requests with cost refund upon reaching specific order quantity.

100% Quality Inspection: Strict visual and functional inspection on all finished products before shipment.

Company profile

Anhui Dinglun Precision Machinery Co., LtdAnhui, 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: 3 Years CertifiedNearest Port: Shanghai PortAverage Response Time: >24h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined manufacturer and exporter of aluminum products, including garage and industrial door hardware. It offers OEM and ODM services, multiple forms of customization, and reports written procedures for service assessment, corrective actions, and complaint handling. Production information indicates one production line, 11–20 quality-control staff, lead times within 15 working days in both peak and off-peak periods, and exports mainly to Southeast Asia, the Middle East, and Europe. However, the supplier does not provide 3D software design, reported no new products in the past year, lacks an SDK, and has no overseas warehouse, showroom, agents, branches, or offline trade-show participation. No certification information or verifiable customer cases is provided. Financial information is present only as year labels, without sufficient detail for a credibility assessment.

Supplier typeThe supplier is classified as a combined company and describes itself as a professional manufacturer of aluminum products and garage/industrial door hardware, with export trade activity. This supports identifying it as a combined manufacturing and trading-oriented supplier.

After-Sales capabilityThe supplier has written procedures and implementation records for service assessment, corrective and preventive actions, and customer complaint handling. However, it reports no overseas warehouse, showroom, agents, branches, or offline trade-show participation, so documented service-process capability exists but overseas service infrastructure is limited.

R&D capabilityThe supplier provides ODM services, but reports no new products in the past year, no 3D software design service, and no available SDK. These explicit limitations indicate weak evidence of current innovation and digital design capability.

Production capacityThe supplier operates equipment including shot-blasting, CNC, and automatic drilling machines, has one production line and 11–20 quality-control staff, and reports order fulfillment within 15 working days in both peak and off-peak periods. Its stated manufacturing scope and operational data support production capability, although the available output information is limited.

Customization capabilityThe supplier explicitly offers flexible, minor, full, design-based, and sample-based customization, and also provides ODM and OEM services. These multiple stated customization modes demonstrate a broad customization capability.