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Premium ANSI 57-1 Porcelain Insulator for Reliable Performance
US$3.68-4.89
200 Pieces
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableApplication
High-voltageMaterial
PorcelainModel NO.
57-1Structure
Post InsulatorType
A Type InsulatorUsage
High Voltage Power Transmission, Insulation, Electrical InstallationSize of Bearing Capacity
12.5knCertification
ISO9001Color
WhiteNet Weight
5.2kgTransport Package
1000*1000*1000mmTrademark
JOHNSONOrigin
ChinaHS Code
854620909Production Capacity
100000Key features
High Mechanical Strength: Cantilever strength of 12.5kN ensures reliable performance under load.
Superior Insulation: Porcelain material provides excellent electrical insulation for high voltage.
Flexible Customization: Offers full, minor, and flexible customization from samples or designs.
Strict Quality Control: 100% function inspection with 6 dedicated QA/QC inspectors.
ISO9001 Certified: Manufacturing process certified by ISO9001 for consistent quality.
Fast Lead Time: Standard one-month lead time for both peak and off-season orders.
Wide Voltage Range: Suitable for application voltages from 25kV to 66kV.
Traceable Materials: Full traceability of raw materials ensures product safety and quality.
Company profile
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: ≤1.32h 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.
Product Q&A
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1000 pieces.
Q:What payment methods are accepted?
A:
We accept T/T, LC, D/P, PayPal, Western Union, and small-amount payments.
Q:What is the lead time for production?
A:
The average lead time is one month for both peak and off-season periods.
Q:Can the insulators be customized?
A:
Yes, we offer full customization, minor customization, flexible customization, and customization from samples or designs.
Q:What is the cantilever strength of the insulator?
A:
The cantilever strength is 12.5kN.
Send Inquiry
*To:
Jiangxi Johnson Electric Co., Ltd.
Jiangxi Johnson Electric Co., Ltd.*Content:
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