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Premium Porcelain & Glass Insulators for Global Power Infrastructure

Fuzhou Senduo Electric Appliance Co., Ltd. – trusted manufacturer since 1995, delivering high-voltage insulators and pole line hardware to over 50 countries worldwide.

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25+ Years

Manufacturing Excellence

200+

Skilled Workforce

50+

Countries Served

About SD Insulator

Fuzhou Senduo Electric Appliance Co., Ltd. is a leading export enterprise specializing in the manufacturing of high and low voltage electric insulators, lamp holders, plugs, and sockets. Founded in 1995 and located in Tankou Industrial Area, Minqing, Fujian, China, our factory has grown into a trusted name in the global power transmission and distribution industry.

With over 200 employees, including 12 senior engineers, 20 engineers, and 25 technicians, we combine decades of technical expertise with modern production facilities to deliver reliable, high-performance insulating solutions.

  • ISO-Certified Manufacturing
  • 200+ Employees & 28 Offices
  • Exported to 50+ Countries
  • R&D-Driven Innovation
Factory Interior Production Line Quality Testing Packaging

Our Product Range

High-performance insulators engineered for reliability, durability, and safety in demanding environments.

20kV VHD-20 Porcelain Insulator

20kV VHD-20 Porcelain Electric

High dielectric strength porcelain insulator for medium voltage applications.

Voltage: 20kV View Details
33kV BS Big Steel Head Insulator

33kV BS Big Steel Head Insulator

Robust steel-fitted porcelain insulator for overhead line use.

Voltage: 33kV View Details
11kV BS Hot Dip Galvanized Fitting

11kV BS Hot Dip Galvanized Fitting

Corrosion-resistant hardware for secure line attachment.

Voltage: 11kV View Details
110kN 11.0522 MV Porcelain Insulator

110kN 11.0522 MV Porcelain Insulator

High mechanical strength disc insulator for transmission lines.

Load: 110kN View Details
ANSI TR205 Solid Core Substation

ANSI TR205 Solid Core Substation

Station post insulator with high creepage distance.

Standard: ANSI View Details
Porcelain Bullnose Corner End

Porcelain Bullnose Corner End

Used in electric fencing systems for corner termination.

Application: Fencing View Details
ED-2C, S80 LT Porcelain Shackle

ED-2C, S80 LT Porcelain Shackle

Compact shackle insulator for low tension distribution lines.

Type: Shackle View Details
11 kV P-11-Y Pin Insulator

11 kV P-11-Y Pin Insulator

Standard pin type insulator for pole mounting.

Voltage: 11kV View Details
33 kV P-33-Y 900mm Creepage

33 kV P-33-Y 900mm Creepage

Extended creepage for polluted environments.

Creepage: 900mm View Details
U70B Electric Pole Glass Wire

U70B Electric Pole Glass Wire

Toughened glass disc insulator with high mechanical load.

Type: Disc, Load: 70kN View Details
Q-7 Type Ball Eye Overhead Line

Q-7 Type Ball Eye Overhead Line

Fitting for string assembly in transmission lines.

Standard: IEC View Details
ANSI TR202 Ceramic Station Post

ANSI TR202 Ceramic Station Post

High-strength station post insulator for substation use.

Standard: ANSI View Details
View Full Product Catalog

Why Choose Us

We deliver unmatched quality, reliability, and global support.

Quality Assurance

Rigorous testing and ISO-compliant processes ensure every product meets international standards.

Fast Delivery

Efficient logistics network ensures on-time delivery to customers across 50+ countries.

Custom Solutions

Our engineering team supports OEM/ODM projects with tailored insulator designs.

Global Support

Dedicated sales and technical team available via phone, email, and WhatsApp.

25+
Years in Business
200+
Employees
50+
Countries
10M+
Units Shipped

Frequently Asked Questions

What types of insulators do you manufacture?

We produce porcelain insulators (pin, disc, shackle, station post), glass insulators (disc type), and a full range of pole line hardware including fittings, clamps, and electric fence components.

Do you offer custom designs or OEM services?

Yes, we support OEM and ODM projects. Our engineering team can customize insulators based on voltage, mechanical load, creepage distance, and environmental conditions.

What certifications do your products have?

Our manufacturing processes follow ISO standards. Products comply with IEC, ANSI, BS, and other international specifications as required by customers.

How do you ensure product quality?

We conduct 100% visual inspection, high-voltage testing, mechanical load testing, and thermal shock testing in our in-house lab to ensure reliability.

What is your typical delivery time?

Standard orders are shipped within 20-30 days after confirmation. We offer expedited options for urgent requirements.

Get in Touch

Contact our team for product inquiries, quotes, or technical support.

Contact Information

Quick Action

Visit our official website to submit inquiries, download catalogs, or request samples.

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