Powered by Made-in-China.com
High-Quality U70b Ceramic Porcelain Insulators for Electrical Applications
US$5.58
200-999 Pieces
US$5.28
1,000+ Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableApplication
High-voltageMaterial
PorcelainModel NO.
52-3Structure
Suspension InsulatorType
B Type InsulatorUsage
High Voltage Power Transmission, Driving, Electrical InstallationConnection Method
Spherical TypeSize of Bearing Capacity
70KNCertification
ISO9001Color
BrownBrand
JsCombined M&E Strength
67kNDry Arcing Distance
197mmRoutine Proof Test Load
33.3kNMOQ
200Transport Package
Wooden CaseSpecification
254mm*146mm*320mmTrademark
JsOrigin
ChinaHS Code
85462090Production Capacity
5000000Key features
High Mechanical Strength: Combined M&E strength of 67kN and routine proof test load of 33.3kN ensure reliability.
ANSI Class Standard: Complies with ANSI Class 52-3 standards for Type B suspension insulators.
ISO Certified Quality: Certified with ISO 9001, ISO 14001, and OHSAS 18001 for strict quality control.
High Voltage Performance: Low frequency dry flashover voltage of 80kV and wet flashover voltage of 50kV.
Customization Options: Offers full customization, minor customization, and flexible customization from samples.
Fast Response Service: Customer service staff online 24/7, replying to inquiries within 24 hours.
Direct Factory Supply: Manufacturer and trading company with factory direct pricing and free samples.
Robust Packaging: Strong wooden cases for large capacity or double inner packs in master cartons.
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: ≤1.37h 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 are the payment terms?
A:
We accept TT with 30% deposit and 70% balance against copy of B/L, or L/C at sight.
Q:What is the production lead time?
A:
Normally it takes about 35-40 days for production.
Q:What is the standard packaging method?
A:
For small capacity, we use carton; for big capacity, we use strong wooden cases or double inner packs in a master carton.
Q:Can you provide Form A or Certificate of Origin?
A:
Yes, we can prepare relative documents to apply for these certificates from the foreign affairs office.
Q:Do you accept customer logos?
A:
We only accept OEM when you order a large quantity.
Send Inquiry
*To:
Jiangxi Johnson Electric Co., Ltd.
Jiangxi Johnson Electric Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
High-Quality ANSI Tr205 Porcelain Insulator for Electrical Applications
US$13.00-14.00
300 Pieces(MOQ)
High-Quality ANSI 53-4 Ceramic Porcelain Spool Insulators for Electrical Applications
US$0.30
1,000 Pieces(MOQ)
Jiahong 33kv Low Voltage Ceramic Insulators for Electrical Applications
US$0.50-1.00
500 Pieces(MOQ)
High-Quality ANSI 53 Series Ceramic Porcelain Spool Insulators for Tension Applications
US$0.30
1,000 Pieces(MOQ)
High-Quality Pulling Rod Insulator for Electrical Applications 2.
US$2.85-3.23
100 Pieces(MOQ)
High-Quality ANSI 55-2 Porcelain Ceramic Electrical Insulator for Electric Power Lines
US$5.00-8.00
100 Pieces(MOQ)
High-Quality ANSI P-11-Y Ceramic Pin Type Porcelain Insulators for Electric Power Transmission Lines
US$1.30-1.50
1,000 Pieces(MOQ)
70kN High Quality Porcelain Disc Suspension Insulators U70b for Electrical Lines
US$1.00-5.00
100 Pieces(MOQ)
High Voltage Shf-20g1 Ceramic Insulators for Safer Electrical Applications
US$1.78-2.39
200 Pieces(MOQ)
High-Quality ANSI 52-4 Clevis Type Ceramic Suspension Porcelain Insulators for Transmission Lines
US$3.40-3.90
1,000 Pieces(MOQ)
Ceramic Electrical Porcelain Insulator for Utility and Substation Applications
US$56.80-59.50
20 Pieces(MOQ)
Premium Durable Porcelain Epoxy Resin Ceramic Insulator for High Voltage Applications
US$2.85-3.23
100 Pieces(MOQ)
High Quality Overhead Transmission Line Ceramic Insulator Porcelain Line Post Insulator for High Voltage
US$6.00-35.00
1,000 Pieces(MOQ)
High-Quality ANSI 52-3 Ball and Socket Type Ceramic Suspension Porcelain Insulators for Transmission Lines
US$3.00-3.50
1,000 Pieces(MOQ)
Premium High Voltage Porcelain Ceramic Insulator for Power Applications
US$2.85-3.23
100 Pieces(MOQ)
High Voltage 69kv 56-5 Ceramic Pin Insulator for Electrical Applications
US$3.80-6.50
200 Pieces(MOQ)



















