What certifications does the product have?

The product has passed ISO9001, ISO 45001, and ISO 14001 system certifications, ensuring quality control and safety standards.

Threaded Sectional Earth Rod with Brass Couplers

Name: Threaded Sectional Earth Rod with Brass Couplers
Brand: Qingdao Changdi Electric Power Equipment Co., Ltd.
SKU: 2268585075

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

Superior Corrosion Resistance: Thick copper layer (>0.25mm) ensures service life over 30 years in harsh environments.

Deep Grounding Capability: Special connection method allows penetration up to 35 meters underground.

Excellent Conductivity: 99.9% pure copper coating provides low resistance and high electrical stability.

Easy Installation: Threaded design with accessories allows fast and convenient on-site assembly.

Cost-Effective Solution: Balances performance and cost, significantly cheaper than pure copper electrodes.

Wide Application Scope: Suitable for power lines, buildings, lightning protection, and corrosive soils.

Secure Connection: Compatible with exothermic welding or clay fusion for firm and stable joints.

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: ≤0.67h

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 main advantages of copper-clad steel grounding rods?

They combine the high conductivity of copper with the high mechanical strength of steel. Key benefits include superior corrosion resistance, a service life of over 30 years, high tensile strength, and cost-effectiveness compared to pure copper.

Q:What is the thickness of the copper layer?

The copper layer thickness is generally above 0.25 millimeters (specifically 0.254mm in standard models), ensuring excellent conductivity and long-term corrosion resistance.

Q:How deep can these grounding rods penetrate underground?

With a special connection transmission method, the rods can penetrate up to 35 meters underground, meeting low resistance requirements for special occasions.

Q:What is the expected service life of the product?

The copper-clad steel grounding rod has a service life of over 30 years due to its thick copper layer and strong corrosion resistance, making it suitable for complex environments.

Q:What are the recommended connection methods?

You can use dedicated connecting pipes, exothermic welding, or clay fusion welding. These methods ensure a firm, stable, and low-resistance joint.