Powered by Made-in-China.com
57 -21 Post Ceramic Insulators (ANSI)
US$2.00-22.00
10 Pieces
Product profile
Customization
AvailableApplication
High-voltageMaterial
PorcelainModel NO.
57 seriesStructure
Strain InsulatorType
B Type InsulatorConnection Method
Trough TypeSize of Bearing Capacity
550KNCertification
ISO9001Color
BrownBrand
HaivolPorcelain Insulators
Strain InsulatorTransport Package
Wooden CaseSpecification
ANSI, IEEE, IECTrademark
HAIVOLOrigin
ChinaHS Code
8546209090Production Capacity
20, 000PCS /MonthCompany profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 14 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤4.04h
AI-Powered supplier vetting
SummaryThe supplier is identified as a combined manufacturing, processing, and sales business in Yueqing, Wenzhou, focused on power-distribution and insulation products. It has valid manufacturing-capacity contracts with associated subcontractors, five production lines, documented inspection procedures, and stated annual output across surge arresters, power fittings, switches, insulators, and fuse cutouts. Quality systems include one listed QA/QC inspector, written corrective-action and complaint-handling procedures, and quality assurance. The supplier provides ODM, OEM, sample-based customization, and an SDK, but reported no new products during the past year. It lacks inventory, overseas warehouses, overseas agents or branches, and overseas showrooms; it has participated in the Dubai Exhibition. Financial records are identified for multiple years, but their results are not provided. No certification information or specific customer cases are documented.
Supplier typeThe supplier is described as a combined company with a business scope covering manufacturing, processing, and sales of power-distribution switch control equipment, insulation products, fuses, lightning arresters, transformers, wires, and cables. Its company nature is separately recorded as a trading company, so the available records indicate a mixed manufacturing/trading profile rather than a purely manufacturing entity.
After-Sales capabilityThe supplier has documented procedures and followed records for handling customer complaints and corrective/preventive actions, indicating an established service-response process. However, it lacks in-stock service capacity, overseas warehouses, overseas agents or branches, and overseas showrooms, while its overseas service coverage is recorded as zero countries.
R&D capabilityThe supplier has an available SDK and provides ODM services, demonstrating some product-development and design-service capability. Nevertheless, it explicitly reported no new products during the past year, which limits evidence of recent innovation activity.
Production capacityThe supplier has valid manufacturing-capacity contracts with associated subcontractors, operates five production lines, and reports substantial annual production quantities across five product categories. Finished-product inspection follows written and uniformly applied instructions, although only one QA/QC inspector is listed and the quality-control staff count is recorded as fewer than five.
Customization capabilityThe supplier offers ODM services, OEM capability for popular brands, and design customization from samples. These explicit service offerings support a demonstrated ability to adapt products to customer or brand requirements.
Send Inquiry
*To:
Zhejiang Haivo Electrical Co., Ltd.
Zhejiang Haivo Electrical Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Hv Ceramic Line Post Insulators 25kv ANSI 57-11 Porcelain Line Post Insulator
US$2.88-3.98
200 Pieces(MOQ)
12.5kN ANSI 57-1 Porcelain Line Post Insulator Ceramic Insulators
US$6.00-10.00
300 Pieces(MOQ)
High Voltage 12.5kn Line Post Porcelain Insulator ANSI 57 Series Ceramic Insulators
US$5.00
100 Pieces(MOQ)
12.5kn 35kv Hv Porcelain Line Post Insulator ANSI 57-2 Ceramic Post Insulators
US$2.18-2.98
200 Pieces(MOQ)
Durable Factory Price 57 Series Ceramic Insulator ANSI 57-4 for Power Lines
US$3.00-5.00
50 Pieces(MOQ)
ANSI 57-4 Ceramic Porcelain Line Post Insulator for Transmission Line
US$15.00
100 Pieces(MOQ)
High-Quality ANSI 57-1 Ceramic Line Post Type Porcelain Insulator for Electric Power Transmission Lines
US$5.00-5.50
1,000 Pieces(MOQ)
High Voltage Post Ceramic 57-3 Line Post Porcelain Insulator Outdoor Electric Insulators
US$14.00
100 Pieces(MOQ)
ANSI 57-4 Series Porcelain / Ceramic Insulator for High Voltage Transmission Line
US$20.00-30.00
100 Pieces(MOQ)
ANSI 57-3 Porcelain Ceramic Line Post Station Post Insulator
US$3.00-5.00
50 Pieces(MOQ)
12.5kn ANSI 57-3 Porcelain Line Post Ceramic Insulator
US$2.38-3.48
200 Pieces(MOQ)
ANSI 57 Series Ceramic Electrical Insulators Line Post High Voltage Porcelain Insulator
US$5.00-10.00
1,000 Pieces(MOQ)
ANSI 57-2 Porcelain Insulator Ceramic Line Post Station Post Insulator
US$6.20
3,000 Pieces(MOQ)
ANSI 57-3 Porcelain Line Post Ceramic Insulator for Transmission Line and Substation
US$5.40
5,000 Pieces(MOQ)
Manufacturer Low Voltage ANSI 57-1 Line Post Porcelain Ceramic Insulator Electrical Safety
US$3.00-8.00
10 Pieces(MOQ)
12.5kN ANSI 57-3 Porcelain Line Post Insulator Ceramic Insulators
US$10.00
100 Pieces(MOQ)
ANSI 57 Series High Voltage Ceramic Line Post Power Grid Electrical Insulator
US$5.00-10.00
1,000 Pieces(MOQ)
ANSI 57-3 Ceramic Porcelain Line Post Insulator for Transmission Line
US$3.00-5.00
50 Pieces(MOQ)



















