Coupled Grounding Rod System - Extendable Earthing Rod with High-Strength Bronze Couplers

Name: Coupled Grounding Rod System - Extendable Earthing Rod with High-Strength Bronze Couplers
Brand: Qingdao Changdi Electric Power Equipment Co., Ltd.
SKU: 2274599635

Shandong, ChinaQingdao Changdi Electric Power Equipment Co., Ltd.

US$8.50-15.20

100 Pieces

Sample price:US$1.66/piece.Request sample

Product profile

Customization

Available

Usage

Working Earthing, Earthing System, Lightning Protection Earthing, Protection Earthin

Working Voltage

High Voltage

Application

Power Transmission and Communication Lines, etc

Material

Copper Coated Steel

Certification

ISO9001

Size

14.2

Color

Copper

Manufacturing Process

Four Dimensional Continuous Electroplating

Sample

Offer on Demand

Copper Layer Thickness

Above 0.25 Millimeters

High Tensile Strength

up to 600 Newtons Per Square Millimeter

Service Life

Over 30 Years

Grounding Depth

It Can Penetrate up to 35 Meters Underground

Transport Package

Sea Freight, Air Freight

Specification

14.2

Trademark

Origin

Qingdao, China

Key features

High Tensile Strength: Up to 600 Newtons per square millimeter for durability.

Long Service Life: Over 30 years of reliable performance with strong corrosion resistance.

Deep Grounding Capability: Can penetrate up to 35 meters underground for low resistance.

Thick Copper Layer: Average thickness above 0.25 millimeters for superior conductivity.

Advanced Electroplating: Four-dimensional continuous electroplating ensures strong adhesion.

Customization Available: Offers full customization, minor customization, and flexible options.

ISO Certified Quality: Passed ISO9001, ISO45001, and ISO14001 system certifications.

Low Construction Cost: Significantly reduces cost compared to traditional pure copper electrodes.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamSelf-branded

Qingdao Changdi Electric Power Equipment Co., Ltd.

Shandong, 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: 2 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.13h

AI-Powered supplier vetting

SummaryQingdao Changdi is a limited company with 22 employees and offers Ground Rod products alongside metal, alloy, mold, mechanical/electrical, and distribution equipment-related activities. It reports manufacturing-related facilities, valid contracts with associated subcontractors, inventory capability, documented service procedures, complaint-handling processes, and OEM service for well-known brands. Its customization capability is broad, covering samples, designs, full customization, minor customization, and flexible customization. However, it has no overseas warehouse or showroom, no available SDK, and only two years of export experience. Certification holdings and customer cases are not evidenced. Reported financial figures are excluded from this assessment for privacy.

Supplier typeThe supplier is identified as a limited company and is not part of a larger company group. Its stated scope includes Ground Rod products and sales or manufacturing activities involving molds, mechanical and electrical equipment, distribution switch control equipment, metals, alloys, and related products.

After-Sales capabilityThe company describes excellent after-sales service as a business guarantee, while its service assessment, corrective and preventive action, and customer complaint processes are described as having written procedures and followed records. This supports a documented service-management capability, although specific service response performance is not provided.

R&D capabilityQingdao Changdi states that research and development is a core focus and that it combines product technology innovation with practicality. It also reports OEM service capability, but no SDK is available, so the evidence supports product R&D claims rather than software-development or SDK capability.

Production capacityThe supplier reports a production line including chamfering, cutting, marking, diameter-changing, threading, and plating equipment, as well as manufacturing activities for molds and distribution switch control equipment. It also reports valid manufacturing contracts with associated subcontractors and inventory capability; however, its employee count is 22 and no production-volume data is provided.

Customization capabilityThe supplier explicitly reports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This directly indicates broad stated design and customization coverage.

Product Q&A

Q:What are the characteristics and applications of copper-clad steel grounding rods?

The copper clad steel grounding rod features independent monitoring and digital communication capabilities. It is suitable for general and special environments including humid, saline, alkali, and acidic soils. It is widely used in power plants, substations, transmission towers, communication base stations, airports, railways, high-rise buildings, and petrochemical plants for lightning protection, anti-static grounding, and protective grounding.

Q:Why are copper plated grounding rods used for lightning protection?

They provide a safe pathway for electrical energy to dissipate underground during malfunctions, ensuring safety. They offer a stable and consistent grounding reference point with low resistance. They also protect electrical systems from stray voltage that could damage equipment or cause fires. They are made of high-strength steel coated with 99.9% pure copper for excellent conductivity and longevity.

Q:What are the benefits of pure copper grounding materials compared to copper plated materials?

Pure copper offers better conductivity (8 times that of steel), stronger corrosion resistance (over 40 years lifespan), and high electrical stability. Copper plated materials balance performance and cost by using a steel core for strength and a copper layer for conductivity, making them suitable for most engineering scenarios where cost-effectiveness is key.

Q:What is the service life of the grounding rod?

Copper clad steel rods last over 30 years. Pure copper rods last over 40 years. Galvanized steel rods last 10-15 years. Lifespan depends on soil corrosiveness, temperature, and humidity. Copper clad steel is recommended for cost-effectiveness, while pure copper is chosen for maximum durability.