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High Voltage Porcelain Insulators

Precision-engineered rod post and line insulators for AC up to 1100kV and DC up to ±800kV. Trusted by power grids across China and beyond.

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About BBMG-TD

Tangshan High Voltage Porcelain Insulator Co., Ltd., founded in 1952, is a large state-owned enterprise and a subsidiary of Beijing BBMG Group — one of China's Top 500 Enterprises. As a leading manufacturer in the insulator and lightning arrester industry, we specialize in the design, development, and production of power station porcelain products.

With an annual output value of 300 million yuan and a registered "TD" brand, our products are recognized for reliability, innovation, and performance in extreme high-voltage environments.

147,000+
Square Meters Facility
200,000+
Annual Output (110kV+)
Manufacturing Facility

Our Products

Engineered for reliability and performance in high-voltage transmission systems, our insulators meet international standards and are trusted in substations and converter stations worldwide.

Rod Post Porcelain Insulator

Rod Post Porcelain Insulator

High-strength insulators for AC 10kV–1100kV and DC up to ±800kV. Ideal for substations and UHV applications.

  • • Voltage: 10kV–1100kV AC
  • • DC Rating: Up to ±800kV
  • • Applications: UHV, Converter Stations
Line Porcelain Insulator

Line Porcelain Insulator

Durable suspension and tension insulators for overhead transmission lines.

  • • Standard compliance: IEC, GB
  • • High mechanical strength
  • • Anti-pollution design
±800kV DC Insulator

±800kV DC Rod Post Insulator

Ultra-high voltage DC insulators tested and deployed in national UHV projects.

  • • Height: 10,970mm
  • • Corona tested
  • • In operation at UHV substations
330kV Two-Section Insulator

330kV Two-Section Rod Insulator

Multi-section design for enhanced mechanical stability and electrical performance.

  • • Two-section construction
  • • In service at Baiyin Station, Gansu
  • • High creepage distance
Custom Design Available

Custom Voltage Solutions

We design and manufacture insulators for specialized voltage and environmental requirements.

  • • AC: 10kV–1100kV
  • • DC: ±100kV to ±1000kV
  • • Custom dimensions & creepage
Type Tested

800kV Bar Type Insulator

Passed full type tests at Wuhan Electric Power Industry Testing Center.

  • • Full compliance with IEC standards
  • • Shock resistance tested
  • • Suitable for harsh environments
High Altitude Support

±500kV Flat Height Support

Designed for Beijing UHV Test Base, ensuring stability under extreme conditions.

  • • Height: 8800mm
  • • Used in national test facilities
  • • High mechanical load capacity
UHV Innovation

±1000kV DC Rod Insulator

Next-generation insulator that has passed shock resistance and pollution tests.

  • • Prototype tested
  • • Future-ready for UHVDC grids
  • • High pollution tolerance

Why Choose BBMG-TD?

Certified Quality

ISO and IEC compliant. Products tested at national quality inspection centers including Wuhan and Electric Power Industry Testing Center.

High Voltage Expertise

Specialists in 110kV to 1100kV AC and ±800kV DC systems. Trusted in UHV transmission and converter stations.

National & Global Reach

Installed in key infrastructure across China, including Deyang Converter Station, Baiyin Station, and Beijing UHV Test Base.

1952
Founded
300M+
Annual Output (CNY)
200K+
110kV+ Units/Year
147K
m² Facility Area

Real-World Applications

Deyang Converter Station

±500kV DC Insulators at Deyang Converter Station

Height: 8400mm. These rod pillar insulators are in stable operation, supporting critical HVDC transmission infrastructure.

Baiyin Station

330kV Two-Section Insulators at Baiyin Station, Gansu

Proven performance in arid, high-dust environments. Designed for long-term reliability with enhanced creepage distance.

UHV Substation

±800kV UHV Rod Pillar Insulators in Operation

Deployed in national ultra-high voltage substations. Passed full type and corona testing for long-term stability.

Frequently Asked Questions

What are the advantages of your porcelain insulators?

Our insulators offer high mechanical strength, excellent electrical performance, and resistance to pollution and aging. The TD brand is trusted in critical power infrastructure.

Do you manufacture for international standards?

Yes, our products comply with IEC, GB, and other international standards. We conduct full type testing at certified laboratories.

Can you customize insulators for specific projects?

Absolutely. We offer custom designs for voltage, height, creepage distance, and mechanical load requirements.

What is your production capacity?

We produce over 200,000 units annually for 110kV and above systems, with a total facility area of 147,000 m².

Get in Touch

For inquiries, technical support, or custom solutions, reach out to our team.

Contact Information

Email: tangshhv1@td.com.cn

Mobile: +86 15831502024

Phone: +86 315 8736 557 / +86 315 8736 360

WeChat: 15831502024

Address: No.1 Electric Porcelain Road, Modern Equipment Manufacturing Industrial Zone, Kaiping District, Tangshan City

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