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Alumina Insulator

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Wear Plate Titanium Tungsten Carbide Bimetal Resistant Wear Plate Electrical Insulators High Quality Insulator Alumina Ceramics Insulator

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Custom Industrial High Voltage Al2O3 Alumina Aluminum Oxide Electrical Ceramic Insulator Tube

Custom Industrial High Voltage Al2O3 Alumina Aluminum Oxide Electrical Ceramic Insulator Tube

US $ 0.1-50 / Piece FOB
100 Pieces (MOQ)
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Main Products: Metallized Ceramics, Ceramic Substrates, Pepper Mill Mechanism, Pepper Grinder Mechanism, Ceramic Parts, Precision Ceramics, Zirconia Ceramics, Ceramic Insulators, Silicon Nitride Ceramics, Aluminum Nitride Ceamics
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SHENZHEN JINGHUI INDUSTRY LIMITED

Guangdong, China Since 2020
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Technical Vacuum Alumina Metallized Ceramic Insulator for Power Feedthrough

Technical Vacuum Alumina Metallized Ceramic Insulator for Power Feedthrough

US $ 2-20 / Piece FOB
10 Pieces (MOQ)
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Application : Aerospace Industry, Electronic Industry, Power Generation Industry
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SHENZHEN JINGHUI INDUSTRY LIMITED

Guangdong, China Since 2020
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High Insulation 2 or 4 Hole 99.7% Alumina Thermocouple Ceramic Insulator

High Insulation 2 or 4 Hole 99.7% Alumina Thermocouple Ceramic Insulator

US $ 1.5 / Piece FOB
100 Pieces (MOQ)
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Main Products: Ceramic Tube, Ceramic Crucible, Ceramic Connector, Ceramic Ball, Ceramic Heating Element
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Shanghai Gongtao Ceramics Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2014
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High Alumina Ceramic Thermocouple Insulator

High Alumina Ceramic Thermocouple Insulator

US $ 5-100 / Piece FOB
20 Pieces (MOQ)
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Installation Type : Duct Type
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Wuhan Elite Industry Co., Ltd.

Hubei, China Since 2018
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High - Voltage 330kv Ceramic Pin Insulators - Alumina Ceramic Material with Excellent Insulating Property, CE Certified for Overhead Power Lines

High - Voltage 330kv Ceramic Pin Insulators - Alumina Ceramic Material with Excellent Insulating Property, CE Certified for Overhead Power Lines

US $ 2.5-2.7 / Piece FOB
500 Pieces (MOQ)
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Main Products: Glass Insulator, Polymer Insulator, Surge Arrester
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Hangzhou Tailun Electric Power Equipment Co., Ltd.

Trading Company

Zhejiang, China Since 2025
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Injection Moulding Alumina Ceramic Machining Insulator Parts Components for Electronic

Injection Moulding Alumina Ceramic Machining Insulator Parts Components for Electronic

US $ 0.01 / Piece FOB
1 Piece (MOQ)
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Material : Alumina Ceramic
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Shenzhen Hard Precision Ceramic Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2019
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95% Alumina Heating Insulators for Heat Treatment

95% Alumina Heating Insulators for Heat Treatment

US $ 800 / Ton FOB
1 Ton (MOQ)
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Main Products: Alumina Ceramic; Calcined Alumina; Alumina Ceramic Ball; Alumina Grinding Ball; Alumina Grinding Cylinder
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Lianyungang Zhong Ao Aluminium Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2010
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75% Alumina Oxide Porcelain Beads Insulator

75% Alumina Oxide Porcelain Beads Insulator

US $ 0.5-3 / Piece FOB
100 Pieces (MOQ)
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Temperature Resistance : 1000℃
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Shanghai Yunnuo Industrial Co., Ltd.

Shanghai, China Since 2021
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Technical Alumina Ceramic Insulator Beads with 2 or 4 Holes

Technical Alumina Ceramic Insulator Beads with 2 or 4 Holes

US $ 0.1-2 / Piece FOB
1 Piece (MOQ)
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Main Products: Thermocouple, PT100, Temperature Transmitter, Coil Heater, Ceramic Tube, Thermocouple Accessories
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NINGBO HAC INSTRUMENT CO., LTD.

Trading Company

Zhejiang, China Since 2018
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Glazed Electrical Resistance Alumina Ceramic Insulator

Glazed Electrical Resistance Alumina Ceramic Insulator

US $ 0.2-100 / Piece FOB
1 Piece (MOQ)
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Shape : Custom Shape
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SHENZHEN JINGHUI INDUSTRY LIMITED

Guangdong, China Since 2020
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95 96 Alumina Metallized Ceramic Insulators

95 96 Alumina Metallized Ceramic Insulators

US $ 8-10 / pieces FOB
1 pieces (MOQ)
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Main Products: Metallized Ceramic, Ceramic Heater, Ceramic to Metal Sealing Part, Ceramic Reflector, Alumina Ceramic, Zirconia Ceramic, Boron Nitride, Silicon Nitride, Aluminum Nitride Ceramic, Porous Ceramic, etc.
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Xiamen Innovacera Advanced Materials Co., Ltd.

Manufacturer/Factory & Trading Company

Fujian, China Since 2024
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Alumina Ceramic Tube Insulator for Thermocouple

Alumina Ceramic Tube Insulator for Thermocouple

US $ 10 / Piece FOB
1 Piece (MOQ)
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Zhengzhou Mission Ceramic Products Co., Ltd.

Trading Company

Henan, China Since 2016
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Alumina Ceramic Tubes Zicronium Thermocouple Insulator Good for 1800c-2200c

Alumina Ceramic Tubes Zicronium Thermocouple Insulator Good for 1800c-2200c

US $ 1.8-2.5 / Piece FOB
1 Piece (MOQ)
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Main Products: Nickel Strip, Nichrome Wire, Nickel Wire, Resistance Wire, Nickel Welding Wire, Inconel, Incoloy, Heating Wire, Thermocouple Wire, Nickel Alloy
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Changzhou Dlx Alloy Co., Ltd.

Trading Company

Jiangsu, China Since 2022
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Alumina and Steatite Ceramic Band Heater Insulator

Alumina and Steatite Ceramic Band Heater Insulator

US $ 0.08-0.5 / Piece FOB
100 Pieces (MOQ)
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Shape : Custom Shape
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SHENZHEN JINGHUI INDUSTRY LIMITED

Guangdong, China Since 2020
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2022 Shanghai Gongtao 6mm 3holes Customized Alumina Zirconia Electrical Ceramic Plunger Ceramic Parts Insulator for Pump

2022 Shanghai Gongtao 6mm 3holes Customized Alumina Zirconia Electrical Ceramic Plunger Ceramic Parts Insulator for Pump

US $ 0.12-0.15 / Piece FOB
1,000 Pieces (MOQ)
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Main Products: Ceramic Tube, Ceramic Crucible, Ceramic Connector, Ceramic Ball, Ceramic Heating Element
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Shanghai Gongtao Ceramics Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2014
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C610 Alumina 60% Thermocouple Ceramic Insulator

C610 Alumina 60% Thermocouple Ceramic Insulator

US $ 0.1 / Piece FOB
1 Piece (MOQ)
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Material : Alumina Ceramic
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Shanghai Gongtao Ceramics Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2014
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Customized Insulating Al2O3 Alumina Ceramic Arc Insulator

Customized Insulating Al2O3 Alumina Ceramic Arc Insulator

US $ 1.25-5 / Piece FOB
1 Piece (MOQ)
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Main Products: Metallized Ceramics, Ceramic Substrates, Pepper Mill Mechanism, Pepper Grinder Mechanism, Ceramic Parts, Precision Ceramics, Zirconia Ceramics, Ceramic Insulators, Silicon Nitride Ceramics, Aluminum Nitride Ceamics
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SHENZHEN JINGHUI INDUSTRY LIMITED

Guangdong, China Since 2020
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High Precision Alumina Metallized Ceramic Insulator for High Voltage Feedthrough

High Precision Alumina Metallized Ceramic Insulator for High Voltage Feedthrough

US $ 0.8-10 / Piece FOB
100 Pieces (MOQ)
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Electrical Insulation : High Voltage Insulator
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SHENZHEN JINGHUI INDUSTRY LIMITED

Guangdong, China Since 2020
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95% Alumina Ceramic Insulator for Hi-Voltage EV Fuses

95% Alumina Ceramic Insulator for Hi-Voltage EV Fuses

US $ 0.8-5 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Metallized Ceramics, Ceramic Substrates, Pepper Mill Mechanism, Pepper Grinder Mechanism, Ceramic Parts, Precision Ceramics, Zirconia Ceramics, Ceramic Insulators, Silicon Nitride Ceramics, Aluminum Nitride Ceamics
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SHENZHEN JINGHUI INDUSTRY LIMITED

Guangdong, China Since 2020
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ANSI 57 Support Porcelain Insulator Line Post Insulator

ANSI 57 Support Porcelain Insulator Line Post Insulator

US $ 4.8-7.8 / Piece FOB
100 Pieces (MOQ)
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Size of Bearing Capacity : 210KN
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Shandong Weichite Electric Power Technology Co., Ltd

Shandong, China Since 2025
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Related Videos
  • What is Custom Industrial High Voltage Al2O3 Alumina Aluminum Oxide Electrical Ceramic Insulator Tube
    What is Custom Industrial High Voltage Al2O3 Alumina Aluminum Oxide Electrical Ceramic Insulator Tube
    US $ 0.1-50 /Piece
    100 Pieces (MOQ)
    Contact Supplier
  • What is Technical Vacuum Alumina Metallized Ceramic Insulator for Power Feedthrough
    What is Technical Vacuum Alumina Metallized Ceramic Insulator for Power Feedthrough
    US $ 2-20 /Piece
    10 Pieces (MOQ)
    Contact Supplier
  • What is High Insulation 2 or 4 Hole 99.7% Alumina Thermocouple Ceramic Insulator
    What is High Insulation 2 or 4 Hole 99.7% Alumina Thermocouple Ceramic Insulator
    US $ 1.5 /Piece
    100 Pieces (MOQ)
    Contact Supplier
  • What is High Alumina Ceramic Thermocouple Insulator
    What is High Alumina Ceramic Thermocouple Insulator
    US $ 5-100 /Piece
    20 Pieces (MOQ)
    Contact Supplier
High Purity Wear Resistant Industry Glaze Alumina Al2O3 Ceramic Insulators Parts

High Purity Wear Resistant Industry Glaze Alumina Al2O3 Ceramic Insulators Parts

US $ 0.01 / Piece FOB
1 Piece (MOQ)
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Main Products: Alumina Ceramics, Zirconia Ceramics, Silicon Nitride Ceramics, Sic Ceramics, Micalex Ceramics
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Shenzhen Hard Precision Ceramic Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2019
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Precision Insulator for Fuse High Hardness Alumina Ceramic Tube

Precision Insulator for Fuse High Hardness Alumina Ceramic Tube

US $ 0.1-10 / Piece FOB
10,000 Pieces (MOQ)
More
Temperature Resistance : 1500℃
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Shanghai Taoyu Co., Ltd.

Shanghai, China Since 2024
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China Supplier Refractory Advanced Small Alumina Metallised Ceramic Insulator

China Supplier Refractory Advanced Small Alumina Metallised Ceramic Insulator

US $ 2-10 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Metallized Ceramics, Ceramic Substrates, Pepper Mill Mechanism, Pepper Grinder Mechanism, Ceramic Parts, Precision Ceramics, Zirconia Ceramics, Ceramic Insulators, Silicon Nitride Ceramics, Aluminum Nitride Ceamics
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SHENZHEN JINGHUI INDUSTRY LIMITED

Guangdong, China Since 2020
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About Alumina Insulator FAQ

  • QHow can I find trusted suppliers for ceramic tubes & rods in China?

    The Alumina Insulator is a standout piece in our Ceramic Tube & Rod collection.Finding reliable suppliers in China can be done through industry exhibitions, online platforms, and professional associations. Ensure suppliers meet quality standards and sustainability requirements. Partnering with well-established manufacturers provides added assurance.

  • QWhat materials are ceramic tubes & rods commonly made of?

    The Alumina Insulator is a top choice in our Ceramic Tube & Rod collection.Ceramic tubes & rods are typically made from materials like alumina, zirconia, or silicon carbide, each with unique properties. They are known for their high heat resistance, excellent durability and exceptional electrical insulation capabilities.

  • QWhat are the advantages of sourcing ceramic tubes & rods through wholesale channels?

    The Alumina Insulator is included in our comprehensive Ceramic Tube & Rod range.Purchasing ceramic tubes & rods in bulk offers cost savings, efficient inventory management, and customized solutions. Buying wholesale ensures a stable supply of high-quality products while benefiting from volume discounts from reputable suppliers.

OEM High Voltage Power Line Suspension Tension Composite Insulator

OEM High Voltage Power Line Suspension Tension Composite Insulator

US $ 3.8-16.8 / Piece FOB
100 Pieces (MOQ)
More
Certification : ISO9001
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Shandong Weichite Electric Power Technology Co., Ltd

Shandong, China Since 2025
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Single Hole Round 99% Alumina Ceramic Tube Insulator

Single Hole Round 99% Alumina Ceramic Tube Insulator

US $ 0.5-100 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Metallized Ceramics, Ceramic Substrates, Pepper Mill Mechanism, Pepper Grinder Mechanism, Ceramic Parts, Precision Ceramics, Zirconia Ceramics, Ceramic Insulators, Silicon Nitride Ceramics, Aluminum Nitride Ceamics
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SHENZHEN JINGHUI INDUSTRY LIMITED

Guangdong, China Since 2020
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High Alumina Metallizing Ceramic Insulator

High Alumina Metallizing Ceramic Insulator

US $ 1-100 / Piece FOB
10 Pieces (MOQ)
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Thermal Rating : 220 220
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Hunan Rui Yue Industrial and Trade Co., Ltd.

Manufacturer/Factory & Trading Company

Hunan, China Since 2016
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Alumina 95% 99% 99.5% Porcelain Electrical Insulator Part Component

Alumina 95% 99% 99.5% Porcelain Electrical Insulator Part Component

US $ 0.015 / Piece FOB
5,000 Pieces (MOQ)
More
Main Products: Ceramic Part, Nickel Tube, Capillary Nickel Pipe, Quartz Glass Tube, Capillary Molybdenum Tube, Molybdenum Sleeve, Molybdenum Tube, Heating Lamp Parts, Tungsten Part, Automotive Lamp Parts
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Qingdao Western Material Technology Co Ltd

Shandong, China Since 2023
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95% Alumina Ceramic Accessories Ceramic Insulator for Electric Furnace

95% Alumina Ceramic Accessories Ceramic Insulator for Electric Furnace

US $ 0.06-0.2 / Piece FOB
1,000 Pieces (MOQ)
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Material : Alumina Ceramic
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Jiangsu Fist Special Ceramic Co., Ltd.

Jiangsu, China Since 2023
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High Voltage Disc Suspension Porcelain Insulator for Power Transmission Lines, IEC/Ansl Certified

High Voltage Disc Suspension Porcelain Insulator for Power Transmission Lines, IEC/Ansl Certified

US $ 3.8-6.5 / pieces FOB
100 pieces (MOQ)
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Main Products: High Voltage Transformer, Composite Insulator Material, Electric Porcelain Insulator, Glass Insulator, Electric Power Fittings, Power Equipment, High Voltage Cable, Vacuum Circuit Breaker, Drop Switch, Concrete Electric Pole
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Shandong Weichite Electric Power Technology Co., Ltd

Shandong, China Since 2025
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China Factory Customized Industrial Glazed High Purity High-Temperature Precision Electrical 95% 96% 99% 99.5% Aluminum Oxide Al2O3 Alumina Ceramic Insulator

China Factory Customized Industrial Glazed High Purity High-Temperature Precision Electrical 95% 96% 99% 99.5% Aluminum Oxide Al2O3 Alumina Ceramic Insulator

US $ 0.5-100 / Piece FOB
1 Piece (MOQ)
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Material : Alumina Ceramic
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SHENZHEN JINGHUI INDUSTRY LIMITED

Guangdong, China Since 2020
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33kv Composite Polymer Distribution Horizontal Line Post Insulator

33kv Composite Polymer Distribution Horizontal Line Post Insulator

US $ 3.8-16.8 / Piece FOB
100 Pieces (MOQ)
More
Main Products: High Voltage Transformer, Composite Insulator Material, Electric Porcelain Insulator, Glass Insulator, Electric Power Fittings, Power Equipment, High Voltage Cable, Vacuum Circuit Breaker, Drop Switch, Concrete Electric Pole
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Shandong Weichite Electric Power Technology Co., Ltd

Shandong, China Since 2025
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Alumina Mo Mn Ceramic Metallization Insulator for Vacuum Power Feedthroughs

Alumina Mo Mn Ceramic Metallization Insulator for Vacuum Power Feedthroughs

US $ 1-20 / Piece FOB
100 Pieces (MOQ)
More
Application : Automotive Industry, Electrical Industry, Electronic Industry
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SHENZHEN JINGHUI INDUSTRY LIMITED

Guangdong, China Since 2020
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2022 Shanghai Gongtao 5mm 6holes Electrical Resistor Material Steatite Alumina Ceramic Resistor Ceramic Insulator

2022 Shanghai Gongtao 5mm 6holes Electrical Resistor Material Steatite Alumina Ceramic Resistor Ceramic Insulator

US $ 0.38-0.48 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Ceramic Tube, Ceramic Crucible, Ceramic Connector, Ceramic Ball, Ceramic Heating Element
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Shanghai Gongtao Ceramics Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2014
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2022 Shanghai Gongtao 3mm 9holes Customized Alumina Zirconia Electrical Ceramic Plunger Ceramic Parts Insulator for Pump

2022 Shanghai Gongtao 3mm 9holes Customized Alumina Zirconia Electrical Ceramic Plunger Ceramic Parts Insulator for Pump

US $ 0.31-0.4 / Piece FOB
1,000 Pieces (MOQ)
More
Material : Zircon
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Shanghai Gongtao Ceramics Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2014
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2022 Shanghai Gongtao 3mm 11holes Customized Alumina Zirconia Electrical Ceramic Plunger Ceramic Parts Insulator for Pump

2022 Shanghai Gongtao 3mm 11holes Customized Alumina Zirconia Electrical Ceramic Plunger Ceramic Parts Insulator for Pump

US $ 0.38-0.49 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Ceramic Tube, Ceramic Crucible, Ceramic Connector, Ceramic Ball, Ceramic Heating Element
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Shanghai Gongtao Ceramics Co., Ltd.

Manufacturer/Factory & Trading Company

Shanghai, China Since 2014
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14*11*40mm Single Hole Round 99% Alumina Ceramic Tube Insulator

14*11*40mm Single Hole Round 99% Alumina Ceramic Tube Insulator

US $ 1-5 / Piece FOB
20 Pieces (MOQ)
More
Grain Size : 1-10um
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Shanghai Yunnuo Industrial Co., Ltd.

Shanghai, China Since 2021
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