Quality Insulation Refractory Bricks factory
Quality Insulation Refractory Bricks factory
Quality Insulation Refractory Bricks factory
Quality Insulation Refractory Bricks factory
Quality Insulation Refractory Bricks factory
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92–98% MgO Bricks High Temperature Magnesia Refractory Bricks For Glass Kiln Furnace Rotary Kiln

Hydrophobic Aerogel Felt Silica Fiber Blanket Insulation For Pipe Tank

High Alumina Cement Plastic Castable Refractories With High Mechanical Strength

Fused Cast AZS Brick Zirconia Corundum Brick For Glass Furnace

Wear Resistant High Alumina Castable 75% - 95% Al2O3 For Rotary Kiln Lining CFB Boiler

Black Fire Resistant Insulation Foam Glass Material For Building Industrial Applications

Industrial Furnace Refractory Low Cement Castable High Temp Casting Refractory Material

Dust Free Silica Aerogel Felt High Performance Thermal Insulation 3mm - 20mm

Lightweight Insulating Castable 800C - 1700C 0.8 - 1.5 G/cm3 Refractory Castable

50 - 90% Alumina Refractory Raw Material 200mesh 10mm Calcined Bauxite

Castable Refractory Bauxite High Alumina Content Low Iron Refractory Raw Material

Refractory Plastic Castable High Strength Wear Resistant For Boiler Steel Industrial Cement

Wholesale Heat Resistance Fire Clay Brick SK32 SK34 SK36 Alumina Silica Refractory Chamotte Bricks for Boiler Kiln Furnace

1260°C Heat Resistance Ceramic Fiber Blanket with 96 Kg/M³ Density and Low Thermal Conductivity

SK30 SK32 SK34 SK36 Fire Clay Brick High Alumina Thermal Shock Resistant for Kiln Lining

1260C High Temperature Ceramic Fiber Products Including Ceramic Fiber Blanket/Board/Paper

JM 26 Low Density 0.5-1.3g/cm3 Mullite Insulation Brick with High Al2O3 Content 40-70% for Kiln Applications up to 1500C

SK32 SK34 SK35 SK36 SK38 Fire Clay Brick For Industrial Furnaces

High Alumina Refractory Brick 55%–85% Al₂O₃ With High Refractorines

Lightweight Mullite Insulation Brick For Industrial Furnace High-Temperature Refractory

About Us
China Qingdao Leadsun Refractory Co., Ltd
About Us
Qingdao Leadsun Refractory Co., Ltd
Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia, the Middle East Etc .Facing the future, Leadsun will always adhere to the enterprise mission of "providing outstanding products and systematic solutions for global high-temperature industries, and creating ...
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Qingdao Leadsun Refractory Co., Ltd

Quality Insulation Refractory Bricks & Thermal Insulation Brick factory

Quality Cut Energy Costs by Up to 30% with Premium Ceramic Fiber Textiles factory

Cut Energy Costs by Up to 30% with Premium Ceramic Fiber Textiles
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Quality Advancements In Ceramic Fiber Module Technology For High-Temperature Industrial Furnaces factory

Advancements In Ceramic Fiber Module Technology For High-Temperature Industrial Furnaces
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Quality Cut Energy Costs With High Alumina Insulation Bricks: Lightweight Design For Superior Furnace Efficiency factory

Cut Energy Costs With High Alumina Insulation Bricks: Lightweight Design For Superior Furnace Efficiency
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Quality Factory High Temperature Refractory Ceramic Fiber Textile 1260 C Fabric Rope Tape Cloth For Insulation Material factory

Factory High Temperature Refractory Ceramic Fiber Textile 1260 C Fabric Rope Tape Cloth For Insulation Material
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Quality Lightweight Fire Clay Insulation Bricks Low Thermal Conductivity And Energy-Efficient Kiln Lining factory

Lightweight Fire Clay Insulation Bricks Low Thermal Conductivity And Energy-Efficient Kiln Lining
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Quality High-performance Mullite Insulation Bricks For Industrial High-Temperature Applications factory

High-performance Mullite Insulation Bricks For Industrial High-Temperature Applications
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Quality Rock Wool Insulation Board – Class A1 Non-Combustible Thermal and Acoustic Insulation for Building and Industry factory

Rock Wool Insulation Board – Class A1 Non-Combustible Thermal and Acoustic Insulation for Building and Industry
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Quality Customized 1430C  220kg/m³ Ceramic Fiber Module Anchored Folded High Temperature Resistance For Industrial Furnace Kiln Lining factory

Customized 1430C  220kg/m³ Ceramic Fiber Module Anchored Folded High Temperature Resistance For Industrial Furnace Kiln Lining
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Lastest company news about Ceramic Fiber Blanket for Chile Cement Plant: Applications, Sizes and Insulation Solutions
Ceramic Fiber Blanket for Chile Cement Plant: Applications, Sizes and Insulation Solutions

2026-09-01

Ceramic Fiber Blanket for Chile Cement Plant: Applications, Sizes and Insulation Solutions Cement plants operate continuously under high-temperature conditions. Rotary kilns, preheaters, calciners, kiln hoods and hot air ducts all require reliable thermal insulation. Ceramic fiber blanket is a ...
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Lastest company news about Rockwool & Fiberglass Wool Products
Rockwool & Fiberglass Wool Products

2026-08-08

Rock Wool Products Rock Wool is made from natural basalt and dolomite melted at high temperatures and spun into fine fibers. It delivers excellent fire resistance, sound absorption, and high-temperature insulation - ideal for heavy-duty industrial and building use. �� Product Range: Rock Wool Board ...
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Lastest company news about Dvantages Of Rock wool Insulation Products
Dvantages Of Rock wool Insulation Products

2026-08-05

Here are the key advantages of Rock wool Insulation Products, tailored specifically for thermal and acoustic insulation in construction and industrial applications: ✅ Advantages of Rock wool Insulation Products �� 1. Excellent Fire Resistance Non-combustible, fire-rated Class A1 (EN13501-1). ...
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Lastest company news about Which Insulation Is Best For Your Building? Rockwool or Fiberglass
Which Insulation Is Best For Your Building? Rockwool or Fiberglass

2026-08-02

When it comes to choosing the right insulation, two names stand out: rockwool (stone wool) and fiberglass. Both are widely used in homes, offices, and industrial buildings. They help reduce heat loss, improve energy efficiency, and create more comfortable indoor spaces. But which one is the better ...
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Lastest company news about How To Maintain Ceramic Fiber Modules For Long-Term Furnace Reliability
How To Maintain Ceramic Fiber Modules For Long-Term Furnace Reliability

2026-07-15

Ceramic fiber modules have become a standard insulation solution in modern high-temperature furnaces due to their lightweight structure, fast installation, and excellent thermal efficiency. Compared with traditional firebrick or castable linings, modular ceramic fiber systems offer lower heat ...
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Latest company case about Ceramic Fiber Modules: 5 Installation Practices For Better Energy Efficiency
Ceramic Fiber Modules: 5 Installation Practices For Better Energy Efficiency

2026-09-07

Ceramic fiber modules are widely used for thermal insulation in industrial furnaces, kilns, heat treatment equipment, and other high-temperature applications. Compared with traditional heavy refractory linings, ceramic fiber modules offer several important advantages, including low thermal mass, low ...
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Latest company case about How to install Rock wool Blanket?
How to install Rock wool Blanket?

2026-08-13

Rock wool blanket is one of the most widely used thermal insulation materials in industrial facilities due to its excellent fire resistance, low thermal conductivity, sound absorption, and durability. It is commonly installed on industrial furnaces, boilers, pipelines, tanks, ducts, heat exchangers, ...
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Latest company case about Advantages Of Polycrystalline Wool
Advantages Of Polycrystalline Wool

2026-08-14

Polycrystalline wool (PCW) is a high-performance insulating material made from aluminum oxide (Al₂O₃) fibers. It's designed for extreme high-temperature applications, often above 1300°C (2372°F). ✅ Advantages of Polycrystalline Wool (PCW) �� Extremely High Temperature Resistance Withstands up to ...
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Latest company case about Application Of Soluble Fiber Rope
Application Of Soluble Fiber Rope

2026-08-12

Soluble fiber rope is a high-performance thermal insulation and sealing material made from bio-soluble fibers, designed to provide excellent heat resistance while being safer for human health than traditional ceramic fiber. It is lightweight, flexible, and capable of withstanding continuous service ...
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Latest company case about Advantages Of Bio-soluble Fiber Products
Advantages Of Bio-soluble Fiber Products

2026-08-10

Here's a clean, professional version of the Advantages of Bio-soluble Fiber Products, ideal for brochures, websites, presentations, or client communications: �� 1. Health & Safety Made from alkaline earth silicate (AES) composition Bio-soluble in body fluids – naturally dissolves and is excreted, ...
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Qingdao Leadsun Refractory Co., Ltd
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WHAT CUSTOMERS SAYS
Spain -- Linh
Leadsun company always offer us better quality than we need. Thanks for Tony team.
Nigeria -- Twain
We already cooperated on insulation materials around 6 years, thanks for Marina help me make new package with very good quality.
Vietnam -- Roise
I already cooperated with Lisa for 7 years. From our cooperation for now, never happen quality problem. thanks for their support. Leadsun company can one-stop offer me all materials we need.
Chile -- Mario
Leadsun always offer fast delivery time and nice package for me. Our customer very like their quality.
Brazil -- Rodrigo
They offer me good price with good quality. I think we can do business for a long time.
Mexico -- Carlos
Miss Zoey is a good girl and has good serivce on my order, she often help me solve other problem which I can't find.
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No. 700, Qingshan Road, Licang District, Qingdao, China

Tel

86-18753244455

0086 18753244455
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