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  • Silica Brick for Coke Oven CO-95

    Silica Brick for Coke Oven CO-95

    Silica Brick for Coke Oven CO-95Features■ Low creep, low residual quartz, accurate dimension■ Quality by DIN/ISO/Chinese National GB/YB standard.PropertiesUnitLimitCONCODCOSCOMChemical CompositionSiO2

  • Fused Silica Brick for Coke Oven FCO-99

    Fused Silica Brick for Coke Oven FCO-99

    Fused Silica Brick for Coke Oven FCO-99Features■ Excellent thermal shock resistance; nearly zero thermal expansion;■ Applied for hot repair of coke oven walls and soles; it could also be adopted fo

  • Fused Silica Brick for Coke Oven FCO-99

    Fused Silica Brick for Coke Oven FCO-99

    Fused Silica Brick for Coke Oven FCO-99Features■ Excellent thermal shock resistance; nearly zero thermal expansion;■ Applied for hot repair of coke oven walls and soles; it could also be adopted fo

  • Silica Brick for Coke Oven CO-95

    Silica Brick for Coke Oven CO-95

    Silica Brick for Coke Oven CO-95Features■ Low creep, low residual quartz, accurate dimension■ Quality by DIN/ISO/Chinese National GB/YB standard.PropertiesUnitLimitCONCODCOSCOMChemical CompositionSiO2

  • Si3N4 bonded SiC bricks for Blast furnace

    Si3N4 bonded SiC bricks for Blast furnace

    Si3N4 bonded SiC blast furnace lining bricks Si3N4 bonded SiC inset bricks for cooling stave Si3N4 bonded SiC combinded bricks for blast furnace tuyere Si3N4 bonded SiC sleeve for last furnace tuyere

  • Graphite Block for blast furnace

    Graphite Block for blast furnace

    The production process of graphite carbon block is more complicated. The product is batched, kneaded, shaped, baked and then graphitizedprocessed, and then processed and finely ground. Our company

  • Low Temp. Carbon mass Filler

    Low Temp. Carbon mass Filler

    Low-temperature rough seam paste, also known as carbon filler or carbon mass, is a cold-rolled carbon material made of high-temperature electric calcined anthracite, graphite, and metallurgical coke a

  • Ramming mass for iron runner

    Ramming mass for iron runner

    The aluminum silicon carbide carbonaceous ramming mass for blast furnace tapping channel is prepared by using high-quality corundum, bauxite, silicon carbide and carbon materials as the main raw mater

  • Taphole Carbon Block

    Taphole Carbon Block

    DEFLAI can produce carbon composite taphole bricks and corundum furnace door bricks for submerged arc furnaces. The carbon iron mouth composite bricks produced by our company are semi-graphite-carbon-

  • Super micro pore carbon block for BF

    Super micro pore carbon block for BF

    We use selected high-quality electric calcined anthracite, artificial graphite, silicon carbide as the main raw materials, coal tar, phenolic resin as the binder, industrial metal silicon and metal ox

  • Semi-graphite Carbon-SiC block

    Semi-graphite Carbon-SiC block

    We use high temperature electric calcined anthracite and silicon carbide as the main raw materials, add an appropriate amount of fine powderAdditives and binders, semi-graphite carbon-silicon carbide

  • Sialon bonded SiC Bricks

    Sialon bonded SiC Bricks

    Sialon bonded SiC BricksSialon bonded SiC Bricks are made from high quality silicon carbide, industrial silicon powder and alumina powder as raw materials, sintered at about 1,500℃ by nitridation soli

  • Gunning Mix for iron runner Casthouse

    Gunning Mix for iron runner Casthouse

    Gunning mix is specially developed for iron runner repair, showing stronger adhesion, less grain rebound, better resistance to erosion/corrosion. It is cost-effective and time-saving solution to casth

  • Monolithic refractories for BF

    Monolithic refractories for BF

    Monolithic refractories for blast furnace body Upper part of stack and throat of blast furnaceFireclay high strength abrasion-resistant castablesApplication Joints between two-layer converse-buckled c

  • Magnesia Carbon Brick for Converter

    Magnesia Carbon Brick for Converter

    Magnesia Carbon Brick for Converter Introduction:Magnesia Carbon Brick for Converter are designed according to different operation conditions and application areas of the converter lining. The bricks

  • Steel Taphole block

    Steel Taphole block

    Steel Taphole block Introduction:Taphole brick is made of high purity fused magnesia and large crystal magnesia, mixed with high purity flake graphite and added with special antioxidant and resin bind

  • Bottom Blowing Purge Plug

    Bottom Blowing Purge Plug

    Bottom Blowing Purge Plug for converter Introduction:The bottom blowing purge plug use high quality magnesia-carbon bricks. Under normal conditions, the adequate pipes could guarantee the high rate of

  • Converter repairing mass

    Converter repairing mass

    The repairing mass for the large surface of the converter is made of high-quality magnesia raw material and a unique organic binder according to the characteristics of early damage to the trunnion, th

  • ceramic cylinders for silicon steel annealing furnace

    ceramic cylinders for silicon steel annealing furnace

    ceramic cylinders and ceramic rollsfor are used for Annealing furnace of silicium steel production .

  • Tundish Castable for Permanent Lining

    Tundish Castable for Permanent Lining

    Tundish Castable Introduction:Tundish permanent layer castable is made from high grade bauxite as the main raw material and formulated with various additives. Permanent layer, this layer is in contact

  • Tundish Dry Vibration Mix

    Tundish Dry Vibration Mix

    Tundish Dry Vibration Mix Introduction:The tundish dry vibration mix is composed of refractory aggregate, powder, sintering agent and admixture. Without the addition of water or liquid binder, only by

  • Monoblock Stopper

    Monoblock Stopper

    Monoblock Stopper Introduction:According to quality of materials, monoblock stopper of our company can be classified into alumina carbon, aluminum-zirconium carbon and aluminum-magnesia carbon.Monoblo

  • Burner Block

    Burner Block

    The Alumina Mullite Refractory Environmental Energy Saving Burner Block is made of corundum mullite castable in precast. It possess with high strength, thermal shock, scour resistant, long time span.

  • EAF RF VOD Furnace cover

    EAF RF VOD Furnace cover

    The EAF RF VOD Furnace cover / castable roof is prefabricated with high-performance ultra-low cement castables. It has the characteristics of high strength in cold and hot state, good thermal shock s

  • Tundish Well Block

    Tundish Well Block

    Tundish Well Block Introduction:Tundish well block is made of high-quality raw materials, precision-formed, formed by strong pressure, and dried at low temperature. The well block is used in conjuncti

  • Ladle Nozzle Well Block

    Ladle Nozzle Well Block

    Ladle Nozzle Well Block Introduction:Ladle nozzle well block is also called square brick, the function is to fix the nozzle. The refractory used for the sliding nozzle should have high high temperatur

  • Submerged entry nozzle  SEN

    Submerged entry nozzle SEN

    Submerged entry nozzle (SEN) has high strength, good corrosion resistance and thermal shock resistance. Shroud may be used directly without pre-heating due to its excellent thermal shock resistance, a

  • Zirconia tundish nozzle

    Zirconia tundish nozzle

    Tundish nozzle has high strength, good corrosion resistance and thermal shock resistance. Shroud may be used directly without pre-heating due to its excellent thermal shock resistance, and it is warml

  • Purging Plugs

    Purging Plugs

    Purging plugs for ladles have reasonable structure configuration design and present good thermal stability, good resistance to impact and erosion, good permeability and high gas purging rate.ItemChrom

  • Ladle Sliding Plate

    Ladle Sliding Plate

    Based on the burned sliding plate, we have developed the unburned complex sliding plate with excellent performance.Features: unburned complex sliding plate has good effect and low cost on small and me

  • Ladle Castable

    Ladle Castable

    It is made of high-quality bauxite clinker, corundum, magnesia, magnesia alumina spinel and super fine powder, prepared with different binders and admixtures.Features: strong erosion resistance, good

  • Super micro pore carbon block for SAF/EAF

    Super micro pore carbon block for SAF/EAF

    Super micro pore carbon block for SAF We use selected high-quality electric calcined anthracite, artificial graphite, silicon carbide as the main raw materials, coal tar, phenolic resin as the binder, industrial metal silicon and metal ox

  • Silicon Carbide Nitride Bonded Brick

    Silicon Carbide Nitride Bonded Brick

    Silicon Carbide Nitride Bonded Brick is widely used in as lining bricks of large aluminum electrolytic cell. Silicon Carbide Nitride bonded refractory provides improved thermal conductivity, rapid coo

  • Insulating bricks

    Insulating bricks

    Xincheng Group is committed to becoming a partner in the aluminum industry, focusing on various refractory materials required by the aluminum and carbon industries. It has comprehensive strength in su

  • Fireclay brick

    Fireclay brick

    Xincheng Group is committed to becoming a partner in the aluminum industry, focusing on various refractory materials required by the aluminum and carbon industries. It has comprehensive strength in su

  • High alumina bricks

    High alumina bricks

    Xincheng Group is committed to becoming a partner in the aluminum industry, focusing on various refractory materials required by the aluminum and carbon industries. It has comprehensive strength in su

  • Special Fireclay brick

    Special Fireclay brick

    Xincheng Group is committed to becoming a partner in the aluminum industry, focusing on various refractory materials required by the aluminum and carbon industries. It has comprehensive strength in su

  • Low Temp. Carbon mass

    Low Temp. Carbon mass

    Carbon ramming material is made of silicon carbide, graphite, and electric calcined anthracite as raw materials, mixed with various ultrafine powder additives, and made of fused cement or composite re

  • Super micro pore carbon block for SAF/EAF

    Super micro pore carbon block for SAF/EAF

    Super micro pore carbon block for SAF We use selected high-quality electric calcined anthracite, artificial graphite, silicon carbide as the main raw materials, coal tar, phenolic resin as the binder, industrial metal silicon and metal ox

  • Corudum mullite brick

    Corudum mullite brick

    Corudum mullite brickItemCorudum mullite brickCMB-70CMB-80CMB-90Long term service temperature ℃155016501700Al2O3 % ≧708088Fe2O3 % ≦0.40.30.3Bulk density , g/cm3 ≧2.552.702.80Apparent po

  • Chrome corundum brick for coal water slurry or petrol coke

    Chrome corundum brick for coal water slurry or petrol coke

    The chrome corundum brick, which is characterized with good mechanical property at high temperature and chemical stability, etc., is mainly used as the back lining of the coal water slurry or petrol c

  • High Purity Corundum brick

    High Purity Corundum brick

    High purity corundum brick, which is characterized with good mechanical property at high temperature and good chemical stability, is widely used in gasifier, secondary reformer, ethylene-generated fur

  • High Chrome Products

    High Chrome Products

    High chrome brick, which is characterized with high corrosion resistance and good high temperature mechanical properties, is mainly used as the working linings of the coal water pressurized slurry gas

  • Ferromolybdenum FeMo alloy

    Ferromolybdenum FeMo alloy

    FerromolybdenumFerromolybdenum is mainly used to add molybdenum to steel in steelmaking. Molybdenum is mixed with other alloying elements and is widely used in the manufacture of stainless steel, heat

  • FeNb alloy 50 60 65 70

    FeNb alloy 50 60 65 70

    Ferroniobium alloy FeNb50, 60, 65, 70 Grade: FeNb70, FeNb65, FeNb60-A, FeNb60-B, FeNb50-A, FeNb50-B, FeNb50-C, FeNb20Remarks: 1. Special requirements are negotiated by both parties;2. Typical COA, our

About us

Create value for partners!

DEFLAI New Material Technology Co., Ltd. (DFL) is a leading manufacturer of high-performance refractories and precision-engineered copper products, with over 20 years of expertise in serving global industries. Headquartered in China, DFL operates integrated production bases and has evolved from a traditional refractory supplier into a full-service provider offering engineering design, refractory system integration, and kiln construction solutions. Our vertically integrated capabilities ensure end-to-end control of design, production, and installation, delivering unmatched durability and cost efficiency across industries like metallurgy, aerospace, and energy.


Product & Service Excellence
DFL’s refractory division produces 600,000 tons annually, including:

  • Shaped refractories: High-alumina bricks (300,000 tons/year), silica bricks (130,000 tons/year), and lightweight insulation materials (70,000 tons/year).

  • Unshaped refractories: Castables and precast blocks (50,000 tons/year) for customized thermal solutions.

The copper products division, with facilities in Luoyang and Baoji, specializes in:

  • Critical components: Copper crystallizers, wear-resistant sleeves, and cooling systems for EBM, VAR, ESR, and PAM furnaces.

  • Advanced alloys: CuCrZr, beryllium bronze, and nickel silver (CuNi), processed via CNC machining, deep-hole drilling, and large-scale welding.


Global Leadership & Competitive Edge
Trusted by clients in Russia, Japan, the U.S., EU nations, and emerging markets, DFL combines 100% traceability with cutting-edge technologies like precision flaw detection and pressure testing. Our value-driven approach reduces total cost of ownership (TCO) through:

  • Vertical integration: In-house control of design-to-construction workflows.

  • Proven performance: Components withstand extreme temperatures (up to 1,600°C) and harsh industrial environments.

  • Innovation focus: Partnerships with global R&D hubs to deliver solutions for next-gen applications in nuclear, aerospace, and sustainable metallurgy.


  • 1999-11-18
    Restructuring of Jiaozuo Factories was finished in 1999
  • 2002-3-28
    Restructuring of Luonaifeier Factories was finished in 2002
  • 2005-3-28
    Established a good cooperation relationship with Domestic a
  • 2008-6-24
    Builded fused silica brick production line and Invested in l
  • 2011-1-29
    Xincheng Group begins the fourth phase expansion project
  • 2018-9-26
    Transformed the old production into a fully automatic produc

The company's advanced automatic production line equipment, professional mold making and molding technology and technical research and development team's strict quality management control system enable the company to provide competitive and high-quality products and service for domestic and foreign customers.

At present, the company's products have passed the testing of many domestic and foreign testing institutions in the steel, coking, glass, and ceramic industries. The products have been well exported to Japan, United States, Germany, France, Italy, Finland, Iran, India, Cambodia, Philippines, Russia and other countries. In the spirit of people-oriented, quality-oriented, honest service, green environmental protection, mutual benefit and win-win purposes, to provide customers at home and abroad with quality products, professional refractory materials solutions and technical guidance services.

Industries & Applications

Solutions for Iron-Steel, Aluminum, Copper, Power, Coking industry

  • Petrochemical Industry
  • Coke oven
  • Hot blast stove
  • Glass furnace
  • torpedo ladle
  • Converter
  • EAF furnace Refractories
  • Refractories for Blast furnace
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