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100% QC-Inspected 120-132kV High Voltage Composite Insulator, HDG C45 Fittings, Third-Party Tested, Defect-Free for Power Transmission 100% QC-Inspected 120-132kV High Voltage Composite Insulator, HDG C45 Fittings, Third-Party Tested, Defect-Free for Power Transmission
100% QC-Inspected 120-132kV High Voltage Composite Insulator, HDG C45 Fittings, Third-Party Tested, Defect-Free for Power Transmission 100% QC-Inspected 120-132kV High Voltage Composite Insulator, HDG C45 Fittings, Third-Party Tested, Defect-Free for Power Transmission

100% QC-Inspected 120-132kV High Voltage Composite Insulator, HDG C45 Fittings, Third-Party Tested, Defect-Free for Power Transmission

US$ 1.00 ~ 2.00
Min.Order: 100
Product origin: Yangzhou, Jiangsu, China
Category: Electrical Equipment & Supplies
Product Name: Electrical Equipment & Supplies
Availability:In Stock
Product Review : 4 Reviews
Infringement complaint:
* Please contact the supplier via whatsapp first before placing an order
  • Model Number : Composite Insulator Series
  • Type : Polymer Insulator
  • Material : C45 Steel with Silicone Rubber
  • Application : High Voltage Transmission
  • Surface Treatment : Hot Dipped Galvanized
  • Galvanizing Thickness : 86μm-140μm
  • Production Process : Forging/Casting with HDG
  • Certification : ISO9001, IEC Standards
  • Color : Silvery (Galvanized)
  • Mechanical Load : 70KN-1000KN
  • Interface Type : Link Terminal
  • Package : Standard Export Packaging
  • MOQ : Negotiable
  • Production Capacity : Large Quantity Supply

Single-unit samples run around $45 to $55, mid-volume orders of 100 to 500 units drop to about $28-$35 each, and once you're pushing 1,000-plus our company can get you under $22 per unit depending on mechanicla load rating.

Composite Insulator Structure

Composite Insulator Production Process

Basically it come down to whether you need something that holds up to 70kN all the way to 1000kN — most transmission guys go with teh 160kN or 210kN area for

Frequently Asked Questions

What are the available mechanical load ratings for your composite insulators?

Our composite insulators come in mechanical load ratings from 70KN up to 1000KN, so you can pick the right strength for your transmission line needs.

Do you have ISO9001 or IEC certifications for these insulators?

Yes, we hold ISO9001 certification and our insulators are manufactured to meet IEC standards, so you can trust the quality and compliance.

What is the typical lead time for a large quantity order of these insulators?

Lead time depends on order size, but since we have a large production capacity, we can usually ship bulk orders within 4-6 weeks after confirmation.

Can you customize the galvanizing thickness beyond the 86μm-140μm range?

We can adjust the hot-dipped galvanizing thickness based on your project specs, but our standard range is 86μm-140μm to ensure solid corrosion protection.

How are these composite insulators packaged for export?

We use standard export packaging with wooden crates and cushioning to prevent damage during transit, keeping the silicone rubber and fittings secure.

I***T 2026-01-25

Yikes, the delivery was incredibly fast! I was pleasantly surprised by how quickly the insulator arrived. The packaging was secure and professional, which gave me confidence right from the start. Regarding the quality, the materials feel robust and well-manufactured; the galvanized steel fittings appear to have a consistent, high-quality coating. The overall construction seems durable and suitable for its intended application in power transmission. As for service, the communication was clear and responsive, making the entire purchasing process smooth and hassle-free. Everything was handled efficiently from order placement to delivery. I am thoroughly satisfied with this transaction and would not hesitate to recommend this supplier to others in the industry. The combination of prompt logistics, apparent high quality, and excellent customer service makes this a standout experience.

X***L 2025-12-25

Great experience overall. The shipping was incredibly fast and efficient, arriving well ahead of the estimated delivery date. The packaging was secure and professional, ensuring everything arrived in perfect condition. Regarding quality, the items appear to be very robust and well-manufactured. The finish on the galvanized steel fittings looks excellent and uniform. Communication from the seller was prompt and helpful throughout the process, answering my pre-purchase questions clearly. While I haven't installed the components yet, the initial inspection is very positive. The order was accurate, and the entire transaction was smooth. I am satisfied with this purchase and the service provided. Good job on the logistics and customer support. Glad I chose this supplier for these transmission parts.

N***Y 2025-12-08

Great experience overall. The delivery was incredibly fast and efficient, arriving well ahead of the estimated schedule. The packaging was secure and professional, ensuring everything arrived in perfect condition. Regarding quality, the items appear to be very robust and well-manufactured, with a solid finish that inspires confidence. The customer service team was also very responsive and helpful in providing tracking updates and answering my preliminary questions promptly. A smooth and satisfactory transaction from start to finish.

W***N 2025-11-09

Hats off to the exceptional service I received throughout this transaction. The communication was prompt and clear, making the entire process smooth and hassle-free. Regarding the product's quality, it appears robust and well-crafted, with no visible defects upon inspection. The delivery was impressively fast, arriving well ahead of schedule, which was a pleasant surprise. Overall, I'm thoroughly satisfied with the experience and would confidently recommend this to others based on these aspects.

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