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

1260 C High Temperature Ceramic Fiber Blanket 96 Kg/M³ 7200*610*25 Mm 3600*610*50 Mm

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 Lightweight For Ceramic Roller Kiln

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 High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80 factory

High Strength High Alumina Refractory Brick HA60 HA70 HA75 HA80
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Quality SK32 SK34 SK35 SK36 SK38 Fire Clay Brick For Industrial Furnaces factory

SK32 SK34 SK35 SK36 SK38 Fire Clay Brick For Industrial Furnaces
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Quality Lightweight Mullite Insulation Brick For Industrial Furnace High-Temperature Refractory factory

Lightweight Mullite Insulation Brick For Industrial Furnace High-Temperature Refractory
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Quality High Alumina Refractory Brick 55%–85% Al₂O₃ With High Refractorines factory

High Alumina Refractory Brick 55%–85% Al₂O₃ With High Refractorines
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Quality Wholesale Price Heat Resistance Fire Clay Brick SK32 SK34 SK36 Alumina Silica Refractory Chamotte Bricks For Boiler Kiln Furnace factory

Wholesale Price Heat Resistance Fire Clay Brick SK32 SK34 SK36 Alumina Silica Refractory Chamotte Bricks For Boiler Kiln Furnace
Get Best Price
Quality JM 26 Low Density 0.5-1.3g/Cm3 Mullite Insulation Brick Lightweight For Ceramic Roller Kiln factory

JM 26 Low Density 0.5-1.3g/Cm3 Mullite Insulation Brick Lightweight For Ceramic Roller Kiln
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Quality 1260C High Temperature Ceramic Fiber Products Including Ceramic Fiber Blanket/Board/Paper factory

1260C High Temperature Ceramic Fiber Products Including Ceramic Fiber Blanket/Board/Paper
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Quality 1260 C High Temperature Ceramic Fiber Blanket 96 Kg/M³ 7200*610*25 Mm 3600*610*50 Mm factory

1260 C High Temperature Ceramic Fiber Blanket 96 Kg/M³ 7200*610*25 Mm 3600*610*50 Mm
Get Best Price
Events
Lastest company news about Mullite Insulatipn Brick JM23 JM26 JM28 JM30: Efficient Insulation and High-Temperature Performance
Mullite Insulatipn Brick JM23 JM26 JM28 JM30: Efficient Insulation and High-Temperature Performance

2026-04-08

In modern industrial furnaces and kilns, insulation efficiency and high-temperature stability are critical to operational performance and energy savings. Lightweight mullite brick has emerged as a preferred refractory material, combining low density, excellent thermal insulation, and strong ...
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Lastest company news about 1260C STD Ceramic Fiber Blanket: High-Efficiency Thermal Insulation for Extreme Temperatures
1260C STD Ceramic Fiber Blanket: High-Efficiency Thermal Insulation for Extreme Temperatures

2026-04-06

In high-temperature industrial applications, effective thermal insulation is essential for energy efficiency, operational safety, and equipment longevity. Ceramic fiber insulation blanket is one of the most widely used refractory insulation materials, valued for its lightweight structure, excellent ...
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Lastest company news about Silica Bricks - High-Temperature Refractory Material for Glass Furnaces
Silica Bricks - High-Temperature Refractory Material for Glass Furnaces

2026-04-03

Silica bricks are specialized refractory materials widely used in high-temperature industrial applications where excellent resistance to thermal shock at high temperatures and strong load-bearing capacity are required. Composed primarily of silicon dioxide (SiO₂), silica bricks are known for their ...
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Lastest company news about Reliable Refractory Solution for Global High-Temperature Industries -- High alumina refractory brick
Reliable Refractory Solution for Global High-Temperature Industries -- High alumina refractory brick

2026-03-30

high alumina brick is manufactured using high-quality bauxite with high aluminum oxide (Al₂O₃) content, typically ranging from 48% to over 85%. Through advanced processing techniques including crushing, mixing, molding, and high-temperature sintering, China high alumina brick develops a dense and ...
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Lastest company news about High-Strength Material for Extreme Industrial Conditions -- Dense Refractory Brick
High-Strength Material for Extreme Industrial Conditions -- Dense Refractory Brick

2026-03-30

Dense refractory brick is a critical material used in high-temperature industrial applications where strength, durability, and resistance to harsh environments are essential. Compared with insulating bricks, dense refractory brick features higher density, lower porosity, and superior mechanical ...
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Latest company case about Explore Ceramic Fiber Modules: High - Performance Insulation Solutions
Explore Ceramic Fiber Modules: High - Performance Insulation Solutions

2026-03-05

In today's industrial field, high - efficiency insulation materials play a crucial role in improving energy efficiency and ensuring the stable operation of equipment. As a senior foreign trade salesperson, I am pleased to introduce our company's highly advantageous ceramic fiber module products. ...
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Latest company case about High-Performance Refractory Castables
High-Performance Refractory Castables

2026-03-03

Characteristics 1. High-Temperature Resistance: The refractoriness of some models exceeds [specific high-temperature value] °C. It can work stably in ultra-high-temperature environments such as metallurgical blast furnaces and glass melting furnaces, effectively resisting high-temperature erosion ...
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Latest company case about The Working Environment of Glass Kiln
The Working Environment of Glass Kiln

2026-02-04

The working environment of glass kiln is very harsh, and the damage of kiln lining refractory material is mainly affected by the following factors. (1) Chemical erosion Glass liquid itself contains a large ratio of SiO2 components, so it is chemically acidic. When kiln lining material is in contact ...
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Latest company case about The Service Life of Ceramic Fiber Board
The Service Life of Ceramic Fiber Board

2026-02-04

The service life of ceramic fiberboard is affected by various factors, generally around 5-10 years.Here are some factors that affect its service life:-Usage environment:-Temperature: Under permissible temperature conditions, crystal development is slow, fiber properties are stable, and the lifespan ...
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Latest company case about Is Glass Wool Suitable for Roof Insulation?
Is Glass Wool Suitable for Roof Insulation?

2026-02-04

In building construction, the thermal insulation performance of the roof is one of the important criteria for measuring building energy efficiency. With the increasing awareness of energy conservation, choosing an appropriate roof thermal insulation material has become particularly important. Among ...
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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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