What is the mechanical failing load?

The mechanical failing load ranges from 9kN to 27kN depending on the specific model (ANSI Class 53-1 to 53-5).

What is the warranty or quality guarantee?

We conduct 100% visual inspection of finished products and ensure traceability of raw materials.

5 Spool Porcelain Insulator

Name: 53-1/2/3/4/5 Spool Porcelain Insulator
Brand: Hunan Hualian Torch Porcelain Insulator & Electrical Apparatus Co., Ltd.
SKU: 1947722655

Hunan, ChinaHunan Hualian Torch Porcelain Insulator & Electrical Apparatus Co., Ltd.

US$5.00

1-999 Pieces

US$1.00

1,000+ Pieces

Product profile

Customization

Available

Application

High-voltage

Material

Porcelain

Model NO.

19-5

Structure

Spool Insulator

Type

A Type Insulator

Usage

High Voltage Power Transmission, Insulation, Electrical Installation

Size of Bearing Capacity

44kn

Certification

ISO9001

Color

Brown or Customer Required

Brand

Hualian Torch

Product Name

Spool Insulator

OEM Production

OEM

Transport Package

Export Wooden Package

Specification

Customized Size

Trademark

Hualian Torch

Origin

Liling China

HS Code

85469000

Production Capacity

50000 PC of a Year

Key features

Customizable Color Options: Available in Brown or Customer Required colors for specific project needs.

OEM Production Support: Offers OEM production services for Spool Insulators to meet brand requirements.

High Mechanical Strength: Mechanical failing load ranges from 9kN to 27kN across different ANSI classes.

ISO9001 Quality Certified: Passed ISO9001-2008 quality system approval and ISO9001:2015 management certification.

Wide Voltage Resistance: Low frequency dry flashover voltage up to 35kV and wet flashover up to 25kV.

Trusted Manufacturer: Leading manufacturer with 66 years history and cooperation with Fortune 500 clients.

Full Product Range: Includes suspension, pin, post, spool, stay, shackle insulators, and glass insulators.

Strict Quality Inspection: 100% visual inspection of finished products with traceable raw materials.

Company profile

Years of Export ExperienceCooperated with Fortune 500High Repeat Buyers ChoiceImporters and Exporters

Hunan Hualian Torch Porcelain Insulator & Electrical Apparatus Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 12 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.11h

AI-Powered supplier vetting

SummaryThe supplier is a manufacturing factory and limited company in Liling, Hunan, China, offering porcelain and ceramic insulators. It has 335 employees, documented quality procedures, 100% finished-product inspection, five quality inspectors, and customization services ranging from minor customization to full customization. The supplier reports ISO9001:2015, ISO14001, and ISO45001:2018 certifications, as well as environmental assessment documentation and recent fire drills. It has exported for 12 years, with exports representing 21%–30% of total sales, and holds independent import-export rights. However, it reports no overseas agents or branches, overseas warehouse, overseas showroom, or offline trade-show participation. Its R&D profile is limited by the absence of an available SDK. No customer cases are provided, and the stated lack of a valid manufacturing-capacity contract with affiliated subcontractors is a supply-chain concern.

Supplier typeThe supplier is identified as a factory and limited company located in Liling City, Zhuzhou, Hunan, China. Its stated product scope is porcelain insulators and ceramic insulators, and it has 335 employees. These details support classification as an established manufacturing supplier rather than a trading-only entity.

CertificationsThe supplier reports ISO9001:2015, ISO14001, and ISO45001:2018 certifications. It also has a factory environmental impact assessment report, providing explicit evidence of quality, environmental, and occupational-health management certification coverage.

Production capacityThe supplier identifies a manufacturing facility with ball milling, mud squeezing, mud refining, forming, kiln, and cementing equipment. It conducts 100% finished-product inspection with five quality inspectors and has in-stock service capability. Nevertheless, it reports no valid manufacturing-capacity contract with affiliated subcontractors, which introduces a documented capacity-management concern.

Customization capabilityThe supplier explicitly supports customization from customer designs, full customization, and minor customization. This is direct evidence of a broad stated customization offering, although the slices do not provide examples, technical limits, lead times, or completed customized projects.