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Wholesale Price Earth Rod for Electrical Wholesalers
US$8.50-15.20
100 Pieces
Sample price:US$1.66/piece.Request sample
Product profile
Customization
AvailableUsage
Working Earthing, Earthing System, Lightning Protection Earthing, Protection EarthinWorking Voltage
High VoltageApplication
Power Transmission and Communication Lines, etcMaterial
Copper Coated SteelCertification
ISO9001Size
14.2Color
CopperManufacturing Process
Four Dimensional Continuous ElectroplatingSample
Offer on DemandCopper Layer Thickness
Above 0.25 MillimetersHigh Tensile Strength
up to 600 Newtons Per Square MillimeterService Life
Over 30 YearsGrounding Depth
It Can Penetrate up to 35 Meters UndergroundTransport Package
Sea Freight, Air FreightSpecification
14.2Trademark
noOrigin
Qingdao, ChinaKey features
Superior Corrosion Resistance: Thick copper layer (>0.25mm) ensures over 30 years of service life in harsh environments.
Deep Grounding Capability: Special connection method allows penetration up to 35 meters underground.
Excellent Conductivity: 99.9% pure copper coating offers low resistance similar to solid copper.
Flexible Customization: Supports customization from samples, designs, and minor adjustments.
Advanced Electroplating: Four-dimensional continuous electroplating ensures strong copper-steel adhesion.
Cost-Effective Solution: Combines copper performance with steel strength for lower construction costs.
Easy Installation: Complete accessories and rollable threads simplify on-site construction.
Company profile
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: ≤1.80h
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 characteristics of copper-clad steel grounding rods?
A:
They feature independent monitoring capabilities, digital communication, and database management. They offer strong corrosion resistance, high tensile strength, and are suitable for various soil conditions including acidic, saline, and humid environments.
Q:What is the service life of copper-clad steel grounding rods?
A:
Copper-clad steel grounding rods generally have a service life of over 30 years due to their thick copper layer and corrosion resistance. Pure copper rods last over 40 years, while galvanized steel rods last 10-15 years.
Q:How does copper-plated grounding material compare to pure copper?
A:
Pure copper has 8 times the conductivity and better corrosion resistance but is costly and has lower mechanical strength. Copper-plated materials balance cost and performance, offering steel core strength and approaching pure copper conductivity at a lower cost.
Q:What is the heat release welding method?
A:
It involves preparing exothermic welding powder, ignition powder, and graphite molds. After surface treatment, the powder is ignited to create a chemical reaction that fuses the materials. Post-welding requires anti-corrosion treatment and resistance testing.
Q:What are the benefits of using copper-plated grounding rods?
A:
They provide a safe pathway for electrical energy dissipation, ensure consistent grounding reference points, and protect against stray voltage. They are durable, corrosion-resistant, and cost-effective compared to pure copper.
Send Inquiry
*To:
Qingdao Changdi Electric Power Equipment Co., Ltd.
Qingdao Changdi Electric Power Equipment Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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