How is quality control handled?

We perform 100% functional inspection on finished products, guided by strict instructions and monitored by 6 QA/QC inspectors.

What is the bearing capacity of the insulator?

The bearing capacity size is specified as 1kN.

What is the warranty or guarantee?

The product is ISO9001 certified and undergoes 100% inspection to ensure quality and reliability.

Premium Porcelain Transformer Bushing Isolators for Reliable Electrical Systems

Name: Premium Porcelain Transformer Bushing Isolators for Reliable Electrical Systems
Brand: Jiangxi Johnson Electric Co., Ltd.
SKU: 2020462335

Jiangxi, ChinaJiangxi Johnson Electric Co., Ltd.

US$0.60

200 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

High-voltage

Material

Porcelain

Model NO.

DIN42530 DT1/1250A

Structure

Post Insulator

Type

A Type Insulator

Usage

High Voltage Power Transmission, Insulation, Electrical Installation

Size of Bearing Capacity

1kn

Certification

ISO9001

Color

White

Transport Package

1000*1000*1000mm

Trademark

JOHNSON

Origin

China

HS Code

8546209090

Production Capacity

100000

Key features

DIN Standard Compliance: Manufactured strictly according to DIN 42530, 42539, 42531, 42532, 42533, and 42534 standards.

High Voltage Insulation: Designed for high-voltage power transmission with bearing capacity of 1kN and various Kv ratings.

Full Customization: Offers full, minor, and flexible customization options including samples and designs.

100% Quality Inspection: Every finished product undergoes 100% functional inspection with strict QA/QC procedures.

ISO9001 Certified: Production meets ISO9001 quality management system standards for reliability.

Durable Porcelain Material: Constructed from high-quality porcelain for excellent insulation and weather resistance.

Multiple Stem Options: Available with various stem sizes from M12 to M75 to fit different tank hole requirements.

Fast Lead Time: Average lead time is one month for both peak and off-season production periods.

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: ≤1.25h 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.