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High Quality Customized Carbon-Carbon Materials from China Factory

JUN TENG is a specialized domestic manufacturer and one-stop supplier of carbon-carbon materials. With our own comprehensive processing production lines, we offer products characterized by corrosion resistance and high thermal stability—ideal for thermal zone applications in photovoltaics, semiconductors, and industrial high-temperature furnaces. We provide stable supplies and technical support to global industrial clients, offering both bulk stock purchases and custom machining based on equipment blueprints. We also supply high-quality carbon fiber reinforcement fabrics and woven fabrics; inquiries are welcome!


What finished products are included in the carbon-carbon composite category?

Our carbon-carbon materials cover the full range of components required for high-temperature equipment, eliminating the need for multi-vendor sourcing. Standard parts include carbon-carbon plates, while our complete set of high-temperature fasteners includes bolts, screws, nuts, washers, and studs. We also supply carbon-carbon thermal insulation materials and undertake the machining of non-standard, custom-shaped carbon-carbon parts. All products undergo sintering and precision machining at our own facilities and pass performance testing before shipment, ensuring parameters meet industrial standards for high-temperature equipment.


For which operating conditions are carbon-carbon plates and fasteners respectively suited?

1. Carbon-Carbon Plates: Characterized by uniform density, high-temperature resistance, electrical conductivity, and wear resistance. They are widely used in photovoltaic sintering furnaces, as load-bearing substrates for semiconductor thermal zones, and as supports for high-temperature molds. They resist deformation under long-term loads and serve as lightweight replacements for traditional metal plates, significantly reducing the equipment's overall weight.

2. Carbon-Carbon Fasteners (Bolts, screws, nuts, washers, studs): Designed specifically for assembling carbon-carbon plates and insulation components. They do not loosen due to thermal expansion in high-temperature environments and do not react chemically with the base materials. They ensure stable performance in the internal assemblies of kilns and heat treatment equipment, avoiding the high-temperature corrosion and breakage issues associated with metal fasteners.


What practical properties do carbon-carbon insulation materials offer? 

1. Acid/alkali and oxidation resistant; generates no dust to contaminate workpieces within high-temperature furnace chambers.

2. Soft texture allows for easy cutting; can be fabricated into insulation felts or cylinders that conform to the internal structures of various furnace types.

3. Service life far exceeds that of standard refractory insulation materials, reducing the frequency of equipment downtime for replacements and lowering factory O&M costs.


What processing challenges for specialized equipment can custom-shaped Carbon-Carbon (C/C) components solve?

Many high-temperature industrial systems feature non-standard structural designs where off-the-shelf C/C components fail to fit; custom-shaped C/C components provide a targeted solution. We utilize an integrated molding and machining process based on customer-provided equipment drawings and specifications to produce specialized shapes—such as brackets, load-bearing fixtures, crucibles, and flow-guiding components—tailored for non-standard high-temperature equipment in the photovoltaic, electronics, and metallurgical industries. These parts require no further grinding or modification by the client and offer the precision necessary for demanding thermal field applications.


In which industries are Carbon-Carbon materials primarily used?

1. Photovoltaic and Semiconductor Industries: Internal load-bearing plates, thermal insulation layers, and fixture brackets for silicon wafer sintering furnaces and coating equipment.

2. Metallurgy and Heat Treatment Industries: Internal structural supports and fasteners for high-temperature vacuum furnaces and quenching furnaces.

3. Specialized Industrial Equipment: Electric heating equipment, corrosion-resistant high-temperature reactors, and laboratory high-temperature apparatus.

4. Research Institute Laboratories: Custom high-temperature experimental fixtures and specialized heat-resistant testing components.


What are the advantages of JUN TENG products compared to standard C/C products on the market?

1. Controlled Raw Materials and Processes: With our own sintering production lines, we oversee the entire molding and high-temperature carbonization process; there is no cutting corners on sintering times or use of inferior carbon fibers, ensuring consistent strength and high-temperature performance across finished products.

2. Comprehensive One-Stop Product Range: Plates, fasteners, insulation materials, and custom-shaped parts are all manufactured in-house, eliminating the need for clients to coordinate with multiple suppliers; unified shipping shortens delivery lead times.

3. Compliance and Traceability: Performance test data for specific batches is available for all Carbon-Carbon materials, meeting requirements for factory equipment acceptance and project bidding documentation. 

4. Supports on-demand customization: Standard parts are available for bulk wholesale, while non-standard parts can be customized in terms of dimensions, thickness, and shape; engineers are available to discuss operating conditions with clients and provide recommendations on suitable product selection.

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Shaped Carbon Carbon Parts

Shaped Carbon Carbon Parts

JUN TENG custom-manufactures Shaped Carbon Carbon Parts — complex curves, hollow sections, multi-step profiles. 5-axis CNC machining to ±0.02mm tolerance. 2200°C resistance, ≤550ppm ash, 1300+ thermal shock cycles. SiC coating optional. Prototype to bulk. Send drawings or samples for free engineering review. Factory-direct with full CNAS reports.
Carbon Carbon Thermal Insulation Materials

Carbon Carbon Thermal Insulation Materials

JUNTENG is a manufacturer and supplier of professional Carbon Carbon Thermal Insulation Materials in China. We adopt three-dimensional weaving integration technology, which can withstand an extremely high temperature of 2200℃, has a low thermal conductivity, is resistant to thermal shock, has high purity and no impurities, and has excellent sedimentation effect. Its lightweight insulation performance far exceeds graphite soft felt and ordinary carbon felt. We can customize SiC anti-oxidation coatings and perform molding and cutting according to requirements, and it is widely used in the thermal insulation of photovoltaic single crystal furnaces, semiconductor diffusion furnaces, and high-temperature sintering furnaces.
Carbon Carbon Studs

Carbon Carbon Studs

JUN TENG's Carbon Carbon Studs are long-rod fasteners designed for high-temperature vacuum thermal fields — connecting large graphite components in photovoltaic single-crystal furnaces, semiconductor CVD chambers, and vacuum heat treatment equipment. Manufactured through 3D weaving and multi-cycle densification, they deliver stable fastening at 2200°C in inert atmospheres without creep, thread stripping, or thermal shock fracture. Full-thread precision machining ensures secure engagement with matching C/C nuts and washers.
Carbon Carbon Washers

Carbon Carbon Washers

JUN TENG's Carbon Carbon Washers are precision-engineered companions to our C/C fastener system — designed for 2200°C inert atmospheres and high-purity thermal field applications. With density of 1.63-1.72g/cm³, ash content ≤580ppm, thermal expansion coefficient 0.9-1.4×10⁻⁶/K, and thermal shock resistance exceeding 1200 cycles, they outperform molybdenum and stainless steel washers in weight, purity, and service life. Available in M2-M50 sizes, standard or custom thickness, with optional SiC anti-oxidation coating. Factory-direct, CNC-machined to ±0.02mm tolerance.
Carbon Carbon Nuts

Carbon Carbon Nuts

JUNTENG's Carbon Carbon Nuts are densely formed in one piece and tightly interlocked with carbon carbon screws. They are resistant to high temperatures of 2000 ℃ without looseness and are resistant to cold and hot impacts, making them less prone to cracking. We have our own factory for direct sales, with sufficient stock and affordable pricing. Suitable for various high-temperature furnaces in photovoltaics and semiconductors, our professional team provides free selection and assembly technical guidance. If you have any purchasing sample needs, please feel free to consult at any time.
Carbon Carbon Screws

Carbon Carbon Screws

JUN TENG's Carbon Carbon Screws are factory-direct high-temperature fasteners manufactured through a three-dimensional weaving and multi-cycle densification process. Designed for smaller diameters (M3-M16) and a wide variety of head types—flat head, countersunk, pan head, and custom geometries—they are ideal for precision fastening in confined spaces, delicate thermal field assemblies, and applications requiring flush mounting. With 2200°C temperature resistance, 70% weight reduction over metal screws, and ash content ≤600ppm, they deliver reliable, contamination-free performance in photovoltaic, semiconductor, and high-temperature industrial environments.
JUN TENG is a professional Carbon-Carbon Materials manufacturer and supplier in China. We warmly welcome you to wholesale high quality products at competitive price from our factory.
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