What is the condition of the product upon delivery?

The product is supplied in new condition.

What is the range of cable diameters supported?

The damper supports cable diameters ranging from 11.70mm to 14.30mm for the specific custom model, with other models covering ranges from 12.2mm to 27.0mm.

Pole Transmission Line Hardware Accessories Fr Type Stockbridge ADSS Vibration Damper

Name: Pole Transmission Line Hardware Accessories Fr Type Stockbridge ADSS Vibration Damper
Brand: Qingdao Powtech Electronics Co., Ltd.
SKU: 702299391

Shandong, ChinaQingdao Powtech Electronics Co., Ltd.

US$6.00-15.00

100 Pieces

Product profile

Customization

Available

Type

Vibration Damper

Certification

CE, RoHS

Model NO.

4D20C

Customized

Condition

New

Feature

Anti-Shock

Cable Dia.

11.70~14.30mm

Length

1350mm

Transport Package

Wooden Case

Specification

CE, SGS, ISO9001

Trademark

Powtech

Origin

China

HS Code

7316

Production Capacity

100000PCS/Month

Key features

Customized Design Available: OEM product and design customization options are available for this vibration damper.

Anti-Shock Functionality: Special spiral design eliminates or reduces vibration on overhead power lines to prevent cable damage.

ISO9001:2008 Certified: Manufacturing process adheres to ISO9001:2008 quality management standards.

Wide Cable Compatibility: Applies to ADSS, OPGW, and electric transmission cables with diameters ranging from 12.2mm to 27.0mm.

CE and RoHS Compliant: Product meets CE and RoHS certification requirements for safety and environmental standards.

New Condition Guarantee: All vibration dampers are supplied in brand new condition.

Fast Off-Season Delivery: Lead time within 15 workdays during off-peak seasons.

Global Market Experience: Export experience since 2007 serving North America, Europe, Asia, and Africa.

Company profile

Qingdao Powtech Electronics Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2007-05-01Average Response Time: ≤3.65h

AI-Powered supplier vetting

SummaryThe supplier is a combined company offering manufacturing, service, quality-control, R&D, and export capabilities. It supports extensive customization, ODM, and OEM services, and has 18 years of export experience with self-operated import/export rights. Quality-related evidence includes CE certification, ISO9001:2015, ISO45001:2018, ISO14001, quality assurance, and standardized finished-product inspection instructions. However, it reported no 3D software design service, no new products in the past year, no SDK, no ERP/OA/CRM/SAP integration, no overseas agents, branches, warehouses, or showrooms, and no written corrective-action or complaint-handling procedures. Manufacturing capacity has a documented weakness because no valid contract exists with related subcontractors. Financial credibility and customer-case evidence are insufficient for a firm assessment.

Supplier typeThe supplier is identified as a combined company and presents offerings spanning manufacturing capacity, service capacity, quality control, R&D, export trade, and sustainable development. This supports classification as a diversified manufacturing and service supplier, although the slice does not provide a more specific legal or organizational classification.

CertificationsThe supplier reports quality assurance and holds CE product-compliance certification plus ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. These explicitly documented certifications support its quality, occupational-safety, and environmental-management credentials.

After-Sales capabilityThe supplier has no overseas warehouse, showroom, overseas agent, or branch, and reports no written procedures or records for effective customer-complaint handling. Although it has inventory capability and has participated in the Canton Fair, the documented absence of complaint-handling procedures is a specific after-sales deficiency.

R&D capabilityThe supplier offers ODM services but reports no new products in the past year, no 3D software design service, no available SDK, and no ERP, OA, CRM, or SAP integration. ODM capability is present, but the explicit absence of recent product development and supporting digital systems indicates a documented innovation limitation.

Production capacityThe supplier has inventory capability, standardized instructions for finished-product inspection, one-month lead times in both peak and off-season periods, and 11–20 years of staff experience. However, it reports no valid contract between the factory and related subcontractors, creating a documented weakness in manufacturing-capacity governance despite otherwise established operational indicators.

Customization capabilityThe supplier explicitly provides customization from designs, samples, full customization, minor customization, flexible customization, and ODM services. It also reports OEM service for well-known brands, providing strong direct evidence of broad customization and contract-manufacturing capability.

Product Q&A

Q:What is the function of this Stockbridge damper?

It is a spiral vibration proof damper installed on overhead power lines to eliminate or reduce vibration caused by laminar wind, preventing damage to the cable's outer sheath.

Q:Is customization available for this product?

Yes, OEM product and design customization options are available.

Q:What certifications does the product have?

The product holds CE and RoHS certifications and is manufactured under ISO9001:2008 standards.

Q:Which types of cables can this damper be used with?

It applies to ADSS cables, OPGW cables, and electric transmission cables.

Q:What are the lead times for delivery?

During peak season, the lead time is one month. During off-season, it is within 15 workdays.