What is the average lead time for production?

The average lead time is one month for both peak season and off-season.

What certifications does the product have?

The product is certified under ISO9001 and meets IEC standards.

What materials and colors are available?

The insulator is made of porcelain and is available in grey, brown, or white colors.

C4-125 Solid Core Station Post Insulator

Name: C4-125 Solid Core Station Post Insulator
Brand: Jiangxi Johnson Electric Co., Ltd.
SKU: 2059831505

Jiangxi, ChinaJiangxi Johnson Electric Co., Ltd.

US$7.49-8.29

200 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

High-voltage

Material

Porcelain

Model NO.

C4-125

Structure

Suspension Insulator

Type

A Type Insulator

Usage

High Voltage Power Transmission, Insulation, Electrical Installation

Size of Bearing Capacity

45kn

Certification

ISO9001, IEC

Color

Grey , Brown or White

Net Weight

9.2kg

Transport Package

1000*1000*1000mm

Trademark

JOHNSON

Origin

China

HS Code

8546209090

Production Capacity

100000

Key features

High Voltage Performance: IEC standard C4-125 with 125kV impulse withstand voltage and 50kV power frequency flashover.

Robust Mechanical Strength: Features 38kN tension strength, 4kN cantilever strength, and 800 N.m torsion strength.

Durable Porcelain Material: Constructed from high-quality porcelain with grey, brown, or white color options.

Certified Quality: ISO9001 and IEC certified for reliable performance in high-voltage power transmission.

Flexible Customization: Supports full, minor, and flexible customization, including design and sample-based options.

Comprehensive QA/QC: 100% function inspection by 6 dedicated QA/QC inspectors with full raw material traceability.

Optimized Dimensions: Specific dimensions: 305mm diameter, 130mm height, 388mm creepage distance.

Reliable Manufacturer: Established in 2016 with 8 years of export experience and 3 production lines.

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: ≤3.30h 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.