Is there quality inspection for finished products?

Yes, we perform 100% function inspection on finished products with 6 QA/QC inspectors.

What certifications does the product have?

The product is certified under ISO9001 standards.

What is the material of the insulator?

The insulator is made of high-quality porcelain with a brown color.

High-Quality St-10j Porcelain Insulator for Optimal Power Transmission

Name: High-Quality St-10j Porcelain Insulator for Optimal Power Transmission
Brand: Jiangxi Johnson Electric Co., Ltd.
SKU: 1925426491

Jiangxi, ChinaJiangxi Johnson Electric Co., Ltd.

US$5.00

100-9,999 Pieces

US$1.50

10,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Application

Insulators, High-Voltage

Color

Brown

Model NO.

ST-10J(A)

Material

Porcelain

Maximum Voltage

20KV~100KV

Thermal Rating

High Heat Resistance

Creepage Distance

256mm

Certification

ISO9001

Type

Porcelain Insulator

Chemistry

Porcelain

Classification

High Pressure Material

Brand

Johnson

Transport Package

Export Wooden Packing

Specification

191*267

Trademark

Johnson

Origin

China

HS Code

854620909

Production Capacity

180000pieces/Year

Key features

Direct Manufacturer Supply: Three direct manufacturers as suppliers, ensuring quality and competitive pricing.

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

High Voltage Performance: Rated for 20KV~100KV with high heat resistance and brown porcelain material.

100% Finished Product Inspection: Strict quality control with 6 QA/QC inspectors performing 100% function inspection.

ISO9001 Certified Quality: Manufactured under ISO9001 certification standards for reliable performance.

Established Industry Expertise: Backed by experienced manufacturers in Pingxiang with 8 years of export history.

Flexible Payment Terms: Supports T/T, LC, D/P, PayPal, Western Union, and small-amount payments.

Fast Lead Time: Average lead time of one month for both peak and off-season 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: ≤0.24h 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.