Jiangxi QOCI Electric Co. Ltd stands at the forefront of the global power infrastructure sector. Established in 2002 with a registered capital of 508 million Yuan, our mission is to deliver world-class CTV 175 Isolator En Verre U40b components that safeguard the integrity of ultra-high voltage (UHV) transmission networks across the globe.
Serving world-class power grids with dedication and actively participating in green energy construction through advanced dielectric research.
Responsibility is our guarantee. Every U40b glass isolator undergoes rigorous mechanical and electrical stress testing to ensure zero-defect delivery.
Total lifecycle support from grid design consultation to post-installation monitoring, ensuring the long-term safety of the power infrastructure.
Our 70,000 m² facility in Pingxiang is a testament to the "Made in China 2025" vision. By integrating IoT sensors into our automated glass toughening lines, we achieve unprecedented consistency in the production of CTV 175 isolators.
The U40b Isolator En Verre is evolving beyond standard toughened glass. We are researching nano-composite coatings that enhance hydrophobicity, reducing the need for manual cleaning in coastal environments.
The future involves embedding RFID and thermal sensors directly into the insulator cap to allow real-time health monitoring via drone inspection and AI analytics.
Transitioning to total oxygen kilns and heat recovery systems has reduced our carbon footprint per unit by 22%, aligning with global ESG procurement standards.
Unlike porcelain, toughened glass insulators offer "Self-Shattering" characteristics. When an insulator fails, the glass shell shatters, but the mechanical integrity of the string remains intact (the stub). This provides an instant visual indicator for line inspectors, drastically reducing maintenance downtime and preventing catastrophic line drops. Our CTV 175 series is engineered to maintain a residual strength of over 80% even after shell breakage.
As global energy demand shifts toward renewables, transmission lines are crossing increasingly hostile terrains. QOCI provides specialized profiles to meet these challenges:
Featuring long, widely-spaced under-ribs to prevent arc bridging in salt-spray environments. Leakage distance ratios exceed 3.2 for maximum safety.
Open profile designs eliminate under-ribs to prevent the accumulation of sand and dust, utilizing wind for natural self-cleaning.
Factory-applied Room Temperature Vulcanization (RTV) silicone adds high hydrophobicity to glass, combining the mechanical strength of glass with the pollution performance of composites.
Navigating international standards requires more than just a product; it requires a partner who understands IEC, ANSI, and AS requirements. QOCI provides:
For procurement officers and EPC contractors, selecting a CTV 175 Isolator supplier involves balancing Total Cost of Ownership (TCO) with long-term grid stability. Our solutions address the four pillars of procurement:
By eliminating intermediaries, we offer competitive CAPEX without compromising the quality of raw materials or toughening processes.
Strategically located near major shipping hubs, we ensure fast delivery times, crucial for emergency repairs or fast-track grid projects.
Every batch of U40b isolators is subjected to thermal shock and mechanical failing load tests, far exceeding the minimum IEC requirements.
Our commitment to sustainable manufacturing makes QOCI the ideal partner for utility companies with strict environmental mandates.
Forming Press
Automated Mixer
High Voltage Test
Total Oxygen Kiln
Accelerating the global energy transition with renewable energy and energy storage technologies.
A mature portfolio withstands extreme environmental conditions including icing and earthquakes.
Showcasing our latest UHV glass insulation breakthroughs to the North American market.
