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Premium Porcelain Insulators for Power Transmission & Distribution

TCI Insulator Co., Ltd. is a leading manufacturer of high-quality porcelain insulators used in overhead transmission and distribution lines across the globe.

Suspension Insulator
TCI Workshop

About TCI Insulators

TCI Insulator Co., Ltd. is a leading manufacturer of porcelain insulators for overhead distribution and transmission lines. Located in Minqing, Fujian, China, our facility spans over 60,000 square meters and employs 130 skilled professionals, including 8 senior engineers and 27 technicians.

We specialize in manufacturing a wide range of high and low voltage porcelain insulators using advanced wet-process techniques and oxide flame burning to ensure superior mechanical strength and electrical performance. Our product line includes over 100 types of insulators, such as suspension, pin, line post, strain, spool, and shackle insulators.

ISO9001:2008 Certified
60,000m² Manufacturing Area
Products up to 120kN
IEC, ANSI, BS Compliant

Our Products

We offer a comprehensive range of porcelain insulators designed for reliability, durability, and performance in demanding electrical environments.

Suspension Insulator

Suspension Insulators

Used for voltages beyond 33kV. Each unit features a porcelain shell bonded to a steel cap and pin. Multiple discs can be strung together for higher voltage applications.

  • Wet-process porcelain
  • Up to 120kN mechanical strength
  • Easy replacement of damaged units
Pin Type Insulator

Pin Type Insulator

One of the earliest developed overhead insulators, widely used in power networks up to 36kV. Conductor is fixed on top using binding wire and metallic fittings.

  • Single-stage design
  • High dielectric strength
  • Suitable for distribution lines
Spool & Shackle Insulator

Spool & Shackle Insulators

Used in low-voltage distribution networks. Can be installed horizontally or vertically. Tapered hole design ensures even load distribution.

  • Resistant to mechanical stress
  • Used in rural electrification
  • Easy installation with binding wire
Guy Strain Insulator

Guy Strain Insulators

Installed in guy cables to prevent high voltage from reaching accessible parts. Ceramic under compression for enhanced strength.

  • Prevents electrical hazards
  • Used in utility poles and antenna masts
  • Fail-safe design: wires remain linked if broken
Line Post Insulator

Line Post Insulators

Used for supporting wires and resisting current. Features fixing clamps on both top and bottom. Ideal for narrow right-of-way upgrades.

  • One-piece porcelain construction
  • Multiple petticoats for higher creepage
  • Mountable horizontally or vertically
TR Station & Pin Post Insulator

TR Station & Pin Post Insulators

Columnar-shaped insulators used in substations and power stations. Provide rigid support for live parts insulated from earth.

  • Manufactured to IEC, ANSI, BS standards
  • High mechanical load capacity
  • Used in switchgear and transformers
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Anti-Pollution Insulators

Specially designed for areas with high pollution, salt fog, or industrial contamination. Features extended sheds for improved creepage distance.

  • Enhanced leakage resistance
  • Wet-process porcelain
  • Long service life in harsh environments
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Fittings & Accessories

Complete range of metallic fittings including caps, pins, clevises, and suspension hardware for seamless integration with insulator strings.

  • Galvanized steel for corrosion resistance
  • Precise dimensional tolerances
  • Compatible with international standards

Why Choose TCI Insulators?

Reliable Performance

All products undergo rigorous testing to ensure long-term reliability under extreme conditions.

Advanced Manufacturing

Wet-process porcelain and oxide flame burning ensure superior mechanical and electrical properties.

ISO Certified

Compliant with ISO9001:2008 Quality Management System for consistent product excellence.

Global Standards

Products manufactured to IEC, ANSI, BS, and other international standards.

60,000+
Square Meters Facility
130+
Employees
100+
Insulator Types
120kN
Max Mechanical Load

Frequently Asked Questions

What materials are used in TCI insulators?

All TCI insulators are made using high-grade wet-process porcelain and advanced oxide flame burning technology to ensure durability and electrical insulation.

Are your products compliant with international standards?

Yes, our insulators are manufactured according to IEC, ANSI, BS, and other international standards to meet global market requirements.

Can I order custom-designed insulators?

Yes, we offer OEM and ODM services. Our engineering team can design and produce insulators based on your specific technical requirements.

What is the delivery time for bulk orders?

Typical lead time is 30-45 days after order confirmation, depending on product type and quantity. We provide production updates throughout the process.

Get in Touch

For inquiries, quotations, or technical support, please visit our official website to contact us directly.

Note: No contact form available. Please use the official website for communication.

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