Established in December 2002, Jiangxi QOCI Electric Co. Ltd represents the pinnacle of Chinese porcelain manufacturing. With a registered capital of 508 million Yuan and a facility spanning 70,000 m², we serve the global power grid with unmatched dedication. Our factory in Luxi County, Pingxiang, is strategically positioned at the heart of the world's most advanced ceramic supply chain.
Plant Area (m²)
Annual Tons
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Active Patents
Our insulators are crafted using high-grade kaolin clay, ensuring superior dielectric strength. The Chinese supply chain provides a "zero-mile" advantage where raw materials meet advanced processing without the carbon footprint of international transport.
Utilizing total oxygen kilns and automated forming presses, we achieve an annual output of 39,000 tons. This scale allows us to buffer global demand fluctuations while maintaining competitive pricing for UHV/EHV projects.
Every unit undergoes rigorous high-voltage testing. Our E-E-A-T framework ensures that "Responsibility is the guarantee of quality," backed by ISO and ANSI certifications for global reliability.
Development of semi-conducting glazes to prevent corona discharge in ultra-high voltage environments (800kV+).
Merging porcelain's mechanical rigidity with RTV silicone's hydrophobicity for zero-maintenance coastal applications.
Implementing machine vision for real-time crack detection during the firing process, ensuring 100% defect-free batches.
Transitioning to hydrogen-fired kilns to reduce industrial emissions while maintaining the structural density of high-fired ceramic.
We provide full合规 (compliance) support for international standards, ensuring seamless integration into NERC, IEC, and ANSI-governed grids.
Porcelain insulators offer higher thermal resistance and mechanical stability over 50+ years, while glass allows for visual inspection of punctures. QOCI specializes in high-strength porcelain for mission-critical HV lines.
We conduct batch testing for cantilever strength, thermal shock, and dry/wet flashover voltages in our CNAS-certified onsite laboratory.
China holds the world's most mature ceramic ecosystem, offering a "one-stop" supply chain from rare earth glazes to high-grade industrial kaolin, resulting in 20-30% better cost-to-performance ratios.
Yes, we offer Room Temperature Vulcanization (RTV) coatings for both glass and porcelain units to enhance hydrophobicity in heavily polluted industrial areas.
As a global authority, we regularly participate in exhibitions like Enlit Africa and IEEE PES T&D. Our certifications across ISO 9001 and international grid compliance guarantee that our factory is a reliable partner for state-owned utilities and private power EPC contractors.
Exploring renewable energy storage and grid integration technologies...
Withstanding extreme icing, high altitude, and typhoons with 508 million Yuan backing.
