Precision-engineered ceramic components, stabilized powders, and ultra-durable grinding media developed for extreme thermal environments, electrochemical energy conversion, and wear-resistant applications.
Evaluating Yixing Qiangguang Ceramic Materials Co., Ltd. and the integrated ecosystem of Chinese ceramic energy manufacturers delivering scalable, high-precision thermal and mechanical solutions globally.
Founded in 2003, Yixing Qiangguang Ceramic Materials Co., Ltd. is a professional provider dedicated to the research and development (R&D), manufacturing, and application solutions of high-performance advanced ceramic materials. It is among the few enterprises in China that possess a complete industrial chain, covering key links from powder forming, sintering and precision machining to the provision of integrated application solutions.
The company is also a rare domestic manufacturer engaged in the R&D, production, and supply of a comprehensive portfolio of ceramic materials. Its product range covers zirconia, yttria, alumina, magnesia, aluminum nitride, boron nitride, silicon nitride, silicon carbide, aluminum titanate and other key ceramic materials for industrial use.
The rapid expansion of global clean energy infrastructure—ranging from Solid Oxide Fuel Cells (SOFC) and lithium-ion battery processing to high-power semiconductor microelectronics—requires structural components capable of withstanding extreme dielectric stress, elevated temperatures, and aggressive chemical environments. China’s ceramic energy ecosystem leads this global transformation through material synthesis innovations and scaled production efficiency.
Understanding the microstructural mechanics, phase stability, and thermal conductivity profiles of energy-grade technical ceramics.
By doping Pure Zirconia with Yttrium Oxide ($Y_2O_3$), the tetragonal crystal phase is stabilized at room temperature. YSZ exhibits exceptional fracture toughness ($>7-10\, \text{MPa}\cdot\text{m}^{1/2}$) and oxygen-ion conductivity above $600^\circ\text{C}$, making it the primary solid electrolyte for Solid Oxide Fuel Cells (SOFC) and thermal barrier coatings (TBCs).
Featuring an ultra-high theoretical thermal conductivity of up to $170-230\, \text{W/m}\cdot\text{K}$ combined with strong electrical insulation matching Silicon's thermal expansion coefficient ($CTE \sim 4.5 \times 10^{-6}/\text{K}$), AlN ceramics serve as critical substrates for high-voltage power converters in electric vehicles (EV) and IGBT modules.
Engineered for maximum mechanical stress environments, Silicon Nitride maintains extraordinary flexural strength ($>800\, \text{MPa}$) and thermal shock resistance. It is increasingly deployed in wind turbine bearings, silicon wafer processing, and high-speed motor isolation components for renewable energy conversion.
Ceria-stabilized zirconia (Ce-TZP) and Magnesium-stabilized zirconia powder offer unmatched resistance to hydrothermal degradation and severe chemical corrosion. They provide superior wear resistance in heavy-duty grinding media for lithium-ion battery precursor wet milling.
Ranging from 95% to 99.99% purity, high-purity alumina ceramics deliver exceptional mechanical hardness, dielectric strength, and elevated heat resistance. Ideal for electrical insulators, plasma process shields, and medical grade engineering components.
Specialized refractory ceramics designed for thermal shock buffers, non-ferrous metal casting, and extreme high-temperature sensors operating in aggressive chemical and metallurgical process streams.
| Material Type | Density ($\text{g/cm}^3$) | Thermal Conductivity ($\text{W/m}\cdot\text{K}$) | Flexural Strength ($\text{MPa}$) | Dielectric Strength ($\text{kV/mm}$) | Max Operating Temp ($^\circ\text{C}$) |
|---|---|---|---|---|---|
| Alumina ($Al_2O_3, 99.8\%$) | 3.92 - 3.96 | 30 - 35 | 380 - 450 | 18 - 20 | 1650 |
| Yttria-Stabilized Zirconia (3YSZ) | 6.05 | 2.5 - 3.0 | 1000 - 1200 | 12 - 15 | 1500 |
| Aluminum Nitride (AlN) | 3.30 | 170 - 230 | 350 - 400 | 20 - 25 | 1400 (Inert) |
| Silicon Nitride ($Si_3N_4$) | 3.25 | 30 - 85 | 850 - 1100 | 16 - 18 | 1400 |
| Ceria-Stabilized Zirconia (Ce-TZP) | 6.20 | 2.8 | 750 - 900 | 14 | 1300 |
Deploying precision engineered ceramics across green energy systems, advanced microelectronics, automotive powertrains, and heavy manufacturing.
Benefiting from excellent product performance and stable quality, its products are extensively utilized in various high-end fields, such as food and medical industries, new energy vehicles, laser semiconductors, petrochemical engineering, powder metallurgy, national defense and military, as well as aerospace sectors.
In the ultra-pure synthesis of cathode active materials (CAM) such as NCM, LFP, and solid-state battery powders, metal contamination must be reduced to sub-ppm levels. Micro-sized Ceria-Stabilized and Yttria-Stabilized Zirconia beads provide zero-contamination, high-density impact energy during wet milling in horizontal bead mills.
As SiC and GaN power devices operate at elevated power densities, high thermal dissipation substrates are required. Direct Bonded Copper (DBC) and Direct Plated Copper (DPC) circuits built on Aluminum Nitride (AlN) and Silicon Nitride ($Si_3N_4$) ceramic plates provide effective thermal management, extending component life under harsh switching cycles.
How end-to-end integration—from mineral processing to high-temperature sintering—ensures global supply reliability and competitive advantages.
China's Yixing ceramic hub brings together rare-earth refining, chemical synthesis, spray drying powder preparation, cold isostatic pressing (CIP), high-temperature sintering, and CNC diamond machining into an efficient local ecosystem.
Every production batch undergoes strict quality control including laser diffraction particle sizing, X-ray fluorescence (XRF) chemical composition checks, scanning electron microscopy (SEM) grain distribution evaluation, and hydrostatic density testing.
With fully equipped precision machining facilities (including 5-axis CNC, surface grinding, and laser drilling), components can be custom-machined to dimensional tolerances down to $\pm0.001\, \text{mm}$, accelerating client prototyping.
Adhering to the core principle of "creating value for customers", Qiangguang provides customized and cost-efficient advanced ceramic solutions tailored to the specific demands of different customers. It is supported by high-quality after-sales services and a strict full-process tracking system, which effectively enhances cooperation efficiency and promotes continuous quality improvement.
At present, the company's products are sold well across the country and exported to Italy, the United Kingdom, Australia, Japan, Malaysia, Thailand, Hungary and other countries and regions. Committed to delivering high-quality products at reasonable prices, Qiangguang sincerely looks forward to establishing long-term and stable cooperative relations with global partners.
Pioneering advancements in solid-state electrolytes, additive manufacturing of structural ceramics, and thermal management for high-density AI hardware.
Optimizing nano-structured YSZ and AlN powders via low-temperature spark plasma sintering (SPS) to achieve full theoretical density, near-zero porosity, and enhanced dielectric breakdown strength.
Scaling ultra-thin (down to $10-15\, \mu\text{m}$) dense Garnet and NASICON-type ceramic electrolytes to enable safe, fast-charging solid-state lithium metal batteries for next-generation electric vehicles.
Advancing stereolithography (SLA) and binder jetting 3D printing techniques for ceramics, allowing complex internal cooling channels within ceramic heat exchangers for aerospace and nuclear energy applications.
Clear engineering answers regarding material selection, customization standards, export compliance, and production turnaround.
Yttria-Stabilized Zirconia (3YSZ) delivers higher flexural strength ($1000\, \text{MPa}$) and superior hardness, making it ideal for fine ultrafine dispersion. Ceria-Stabilized Zirconia (Ce-TZP) offers a higher density ($\approx 6.2\, \text{g/cm}^3$) and exceptional resistance to low-temperature degradation (hydrothermal aging) in aqueous suspensions, making it preferable for high-viscosity battery slurry milling.
Aluminum Nitride (AlN) exhibits a thermal conductivity of $170-230\, \text{W/m}\cdot\text{K}$, which is 7 to 8 times higher than standard Alumina ($25-30\, \text{W/m}\cdot\text{K}$). Furthermore, AlN closely matches the Thermal Expansion Coefficient (CTE) of Silicon and Silicon Carbide, reducing thermal fatigue and interfacial delamination in high-power IGBT devices.
Our production lines operate under ISO 9001:2015 quality management system guidelines. Materials undergo strict chemical analysis (XRF), phase composition evaluation (XRD), laser particle size determination, and mechanical testing (density, hardness, three-point bending strength) prior to dispatch.
Yes. We offer complete customization from raw powder selection and green body shaping (CIP, injection molding, dry pressing) to precision diamond grinding, CNC milling, and surface polishing according to client engineering CAD drawings.
Standard components are packed in shock-absorbing custom foam inserts and export-grade vacuum-sealed barrier bags within wooden crates to prevent moisture and mechanical damage. Lead times range from 2 to 4 weeks depending on machining requirements and batch sizes.
Materials such as Silicon Nitride ($Si_3N_4$) and Magnesium-Stabilized Zirconia possess low thermal expansion coefficients and high thermal fracture toughness, enabling them to endure rapid thermal cycles up to $1200^\circ\text{C}$ without micro-cracking.
Explore our specialized ceramic powders and precision components formulated for demanding energy, chemical processing, and thermal applications.
