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: ≤1.47h
AI-Powered supplier vetting
SummaryQingdao Changdi is a limited company with a focus on R&D and fine production, primarily in lightning protection equipment. It has been exporting for two years and provides comprehensive customization services. The company operates without any associated larger group and has a modest workforce of 22 employees. Despite having OEM capabilities for notable brands, its financial performance over recent years has been stagnant, with zero operating revenue and profit. The company has procedures for quality and service management but lacks overseas warehousing and showroom services.
Supplier typeQingdao Changdi is a Limited Company and is not part of any larger company group.
After-Sales capabilityThe company emphasizes excellent after-sales service and has clear procedures for handling customer complaints and corrective actions.
Financial creditThe supplier has reported zero operating revenue and profit for the last three years, indicating financial stagnation.
Production capacityThe supplier has a diverse range of production facilities and valid contracts for manufacturing capacity with subcontractors.
Customization capabilityThe company offers extensive customization options, including full customization from samples or designs.
Product Q&A
Q:What are the characteristics and applications of copper-clad steel grounding rods?
A:
These rods feature independent monitoring and digital communication capabilities. They are suitable for general and special environments including humid, saline, alkaline, and acidic soils. Applications include power plants, substations, transmission towers, communication base stations, airports, railways, and high-rise buildings for lightning protection and anti-static grounding.
Q:What is the function of copper plated grounding rods?
A:
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 and help protect systems from stray voltage that could damage equipment or cause fires.
Q:How to install copper plated grounding rods?
A:
Determine a safe position away from underground facilities. Insert the rod underground leaving about 6 inches protruding. Use a grounding rod driver if needed. Connect the grounding wire securely to the electrical system and test the resistance to ensure compliance with standards.
Q:Why choose copper plated grounding rods over pure copper?
A:
Copper plated rods balance cost and performance. Pure copper has higher conductivity and corrosion resistance but is costly and has lower mechanical strength. Copper plated rods offer high strength via the steel core, lower cost, and comparable conductivity and lifespan for most engineering scenarios.
Q:What is the service life of grounding rods?
A:
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 and environmental factors. Copper clad steel offers high cost-effectiveness while pure copper offers maximum durability.
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