What payment methods are accepted?

We accept T/T, LC, D/P, PayPal, Western Union, and small-amount payments.

What is the diameter and height of the insulator?

The diameter is 255mm and the height is 146mm (customizable).

How do you ensure product quality?

We perform 100% function inspection on finished products using standardized instructions.

132kv 120kn Hv Line Suspension I String Glass Disc Insulator

Name: 132kv 120kn Hv Line Suspension I String Glass Disc Insulator
Brand: Jiangxi Johnson Electric Co., Ltd.
SKU: 1923043515

Jiangxi, ChinaJiangxi Johnson Electric Co., Ltd.

US$4.59-5.89

200 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

High-voltage

Material

Glass

Model NO.

u120b

Structure

Suspension Insulator

Type

A Type Insulator

Usage

High Voltage Power Transmission, Insulation, Electrical Installation

Size of Bearing Capacity

120kn

Certification

ISO9001, IEC

Color

Green

Brand

Johnson

Net Weight

4kg

Diameter

255mm

Height

146mm

Creepage Distance 

320mm

Mechanical Failing Load

120kn

Transport Package

Standard Shipping Package

Specification

900*1100*1100

Trademark

Customer Specified

Origin

China

HS Code

8546100000

Production Capacity

100000

Key features

High Mechanical Strength: 120kN mechanical failing load ensures reliable performance in high-voltage transmission.

IEC Certified Quality: Complies with IEC standards and ISO9001 certification for safety and durability.

Full Customization Support: Offers full, minor, and flexible customization from samples or designs.

100% Finished Inspection: Every unit undergoes 100% function inspection before shipment.

Proven Manufacturer: Established in 2016 with 8 years of export experience and 14 supply chain partners.

Durable Glass Material: Made from high-quality glass with green coating for superior insulation.

Multiple Payment Options: Supports T/T, LC, D/P, PayPal, and Western Union for flexible transactions.

Fast Lead Time: Standard one-month lead time for both peak and off-season orders.

Company profile

Exhibition ExperienceExperienced TeamProduction Process VisualizationCustomization from Samples

Jiangxi Johnson Electric Co., Ltd.

Jiangxi, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤2.37h CertifiedTerms of Payment: T/T, LC, D/P, etc.

AI-Powered supplier vetting

SummaryJiangxi Johnson Electric Company manufactures a broad range of electrical insulators and related fittings, with three production lines and 41–50 quality-control staff. It supports extensive customization, including customization from samples and designs, and follows uniform finished-product inspection instructions. However, the supplier reports no certification of management systems, no written procedures for service assessment, corrective actions, complaints, or quality assurance, and no overseas agents, warehouses, showrooms, or in-stock service. Its R&D evidence is limited: one year of R&D engineer experience is reported, with no new products in the past year, no ODM, 3D software design, SDK, or popular-brand OEM capability. Export sales account for 51%–70%, and the supplier has participated in one named offline trade show. Financial records are referenced for 2022–2024, but the provided slices do not establish financial strength.

Supplier typeThe supplier is an electrical-insulator manufacturer offering glass, porcelain, composite polymer insulators, transformer bushings, and end fittings. Its listed combined facilities include molding, drying, glazing, kiln, and related production equipment, supporting classification as a specialized manufacturing supplier.

CertificationsThe supplier reports no certification of supplier management systems. It also reports no written quality-assurance procedures or records, although finished-product inspection instructions are stated to be available and uniformly followed.

After-Sales capabilityThe supplier has no overseas agents or branches, overseas warehouse, showroom, inventory service, or written procedures and records for complaint handling, service assessment, or corrective and preventive actions. It does accept several quotation and payment terms and reports a one-month average lead time in both peak and off-season, but the documented after-sales infrastructure is deficient.

R&D capabilityInnovation evidence is weak: the supplier reports one year of total R&D-engineer experience, no new products in the past year, no 3D software design service, no ODM service, and no available SDK. It does offer several forms of design customization, but this does not establish strong product innovation capability.

Production capacityThe supplier operates three production lines, has 41–50 quality-control staff, and lists facilities covering molding, drying, glazing, kiln, and related processes. It also states that finished products are inspected under instructions that are uniformly followed; however, it reports no in-stock capacity and no valid manufacturing contract with associated subcontractors.

Customization capabilityThe supplier explicitly accepts customer designs and provides full, minor, flexible, sample-based, and design-based customization. This is direct evidence of broad customization capability, although 3D software design services are not provided.