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Premium Busbar Insulators & Electrical Components

High-voltage standoff insulators, epoxy resin bushings, and thermoplastic solutions engineered for reliability, safety, and performance. Trusted by industrial clients worldwide.

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About JINGHENG

A legacy of innovation, precision, and global partnership in electrical insulation technology.

JINGHENG comes from “Do we could, Do well we could.” Based on this principle, we march forward steadily in the international market, hand in hand with customers around the world.

With over ten years of experience, core technical knowledge, and hundreds of standard products selected by customers, Yueqing Jingheng Electric Co., Ltd is a leading manufacturer of busbar insulators, clamps, and thermoplastic electrical components.

We are fully committed to technology research and production line expansion for ground and zero connections. Our products are made using glass fiber compression molding, with every batch undergoing torque testing and each insulator receiving a withstand voltage test before packaging.

Certified: CE, ROHS, REACH | Tested by SGS & TUV
Factory and production line
10+
Years Experience
50,000
Daily Output
16
Hydraulic Presses
12
Marketing Team
2 Days
Small Order Delivery

Our Product Range

High-performance busbar insulators, clamps, and epoxy resin components designed for industrial and commercial electrical systems.

SM Series Busbar Insulator

SM Series Busbar Insulator

High dielectric strength, compact design for low-voltage applications.

  • Epoxy resin + glass fiber
  • Withstand voltage tested
  • CE & ROHS certified
SEP Series Busbar Insulator

SEP Series Busbar Insulator

Robust insulation for medium to high-voltage busbar systems.

  • Flame-retardant thermoplastic
  • High mechanical strength
  • Precision molded
MNS Series Busbar Insulator

MNS Series Busbar Insulator

Designed for modular switchgear systems with superior tracking resistance.

  • CTI >600V rating
  • UV and heat resistant
  • Customizable mounting
C Series Insulator

C Series Insulator

Compact standoff insulator for grounding and zero connection systems.

  • High torque resistance
  • Low creepage design
  • Ideal for control panels

EL Busbar Clamp

Secure busbar fixation with integrated insulation and vibration resistance.

  • Anti-loosening design
  • Corrosion-resistant
  • Wide temperature range

Epoxy Resin Bushing

High-voltage insulation for cable entry and busbar penetration.

  • Excellent arc resistance
  • Moisture and chemical resistant
  • Custom dimensions available

Insulation Contact Box

Encapsulated connection system for safe and reliable power distribution.

  • IP54 rated protection
  • Tool-free assembly
  • Modular expansion

High Voltage Standoff Insulator

Long creepage distance design for outdoor and high-pollution environments.

  • 10kV to 36kV rating
  • Hydrophobic surface
  • Anti-tracking material

Epoxy Resin Divider

Phase separation and mechanical support in switchgear and distribution boards.

  • High flexural strength
  • Dimensional stability
  • Customizable shapes

Custom Busbar Solutions

Tailored insulators, clamps, and enclosures based on your drawings and samples.

  • OEM/ODM supported
  • Rapid prototyping
  • MOQ as low as 100 pcs
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Why Choose JINGHENG?

We combine advanced manufacturing, rigorous quality control, and customer-first service to deliver unmatched value.

Rigorous Testing

Every batch undergoes torque testing; every insulator passes withstand voltage testing before shipment.

Global Certifications

Products certified by SGS, TUV, CE, ROHS, and REACH — meeting international safety and environmental standards.

Fast Delivery

Small orders shipped in 2 days; large container orders within 25 days. Reduce your inventory costs.

Custom Manufacturing

Accept samples and drawings for processing. Hundreds of standard models and custom options available.

Dedicated Support

12-member sales team ready to assist with design, quotation, and technical support — in your language.

Global Reach

Trusted by customers in Europe, Asia, North America, and beyond. Your reliable partner worldwide.

Frequently Asked Questions

Everything you need to know about our products and services.

What materials are used in your insulators?

Our insulators are primarily made from epoxy resin reinforced with glass fiber, ensuring high mechanical strength, excellent insulation properties, and resistance to heat and chemicals.

Are your products certified for European markets?

Yes, our products have passed SGS and TUV testing and hold CE, ROHS, and REACH certifications, making them fully compliant with European safety and environmental regulations.

Can you manufacture custom designs?

Absolutely. We accept customer samples and drawings for processing. Our team can develop prototypes and produce custom insulators, clamps, and enclosures to your exact specifications.

What is your production capacity?

We operate 16 hydraulic presses with a daily output of up to 50,000 pieces. This allows us to fulfill both small trial orders and large container shipments efficiently.

How do you ensure product quality?

Every product follows a strict quality control process from R&D to mass production. Each batch of raw material is tested for torque, and every insulator undergoes a withstand voltage test before packaging.

Get in Touch

Ready to discuss your project or request a quote? Contact us today for expert support and competitive pricing.

Phone

+86-577-62880881

Email

1548230397@qq.com

Location

No. 32, Wancang North Road, Beibaixiang Town, Yueqing City, Zhejiang Province, China

Contact Us Directly

For inquiries, quotes, or technical support, please visit our official website to get in touch with our team.

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