Electrolytic Copper Winding Wire, Coated Finish, Round Hole, Quality Assurance

Name: Electrolytic Copper Winding Wire, Coated Finish, Round Hole, Quality Assurance
Brand: Qingdao Changdi Electric Power Equipment Co., Ltd.
SKU: 2270834795

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

US$2.35-2.88

100 Meters

Sample price:US$2.80/piece.Request sample

Product profile

Customization

Available

Usage

Protection, Civil Building

Working Voltage

Low Voltage

Model NO.

8*0.254mm*1000m

Application

High-rise Buildings

Earthing Method

Resistance Earthing Method

Material

Copper Coated Steel

Symbol

Certification

ISO 9001, ISO 45001, and ISO 14001

Size

Small

Brand

Changdi

Surface Treatment

Coated

Hole Shape

Round

After-Sales Service

Yes

Warranty

Yes

Color

Copper

Manufacturing Process

Four Dimensional Continuous Electroplating

Sample

Offer on Demand

Lifespan

up to 50 Years

Average Thickness

Greater Than or Equal to 0.254mm

Connection Points

Soft, Long, and Significantly Reduced Straight

Transport Package

Sea Freight, Air Freight

Specification

8*0.254mm*1000m

Trademark

Origin

Qingdao, China

HS Code

7403290000

Production Capacity

20000PCS/Day

Key features

High Conductivity: Conductivity equivalent to pure copper due to 99.9% pure copper surface layer.

Superior Anti-Corrosion: High-temperature fusion welding prevents residue or corrosion at bonding interfaces.

Customizable Processes: Available via electroplating or continuous casting to meet specific user needs.

Soft Connection Points: Special heat treatment creates soft, long points with significantly reduced resistance.

ISO Certified Quality: Passed ISO 9001, ISO 45001, and ISO 14001 system certifications.

OEM/ODM Services: Full customization, minor customization, and flexible customization options available.

Versatile Application: Suitable for high-rise buildings, lightning protection, and corrosive soil environments.

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: ≤1.73h

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?

Copper clad steel grounding rods feature independent monitoring, testing, and communication capabilities. They are suitable for general and special environments including humid, saline, alkali, and acidic soils. Widely used in power plants, substations, high-rise buildings, airports, and petrochemical plants for lightning protection and anti-static grounding.

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

They provide a safe pathway for electrical energy dissipation, ensuring system safety. They offer a stable and consistent grounding reference point with low resistance. They also protect against stray voltage that can damage equipment or cause fires. Copper offers durability, corrosion resistance, and excellent conductivity.

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

Pure copper offers 8 times the conductivity of steel and over 10 times the corrosion resistance, with a lifespan exceeding 40 years. However, it is costly and has lower mechanical strength. Copper plated materials balance performance and cost by using a steel core for strength and a copper layer for conductivity, suitable for most engineering scenarios.

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 material, soil corrosiveness, and environmental factors. Copper clad steel offers high cost-effectiveness, while pure copper is more durable.