FineCer manufactures precision ceramic components — custom parts formed, sintered, and diamond-ground from zirconia (ZrO₂), alumina (Al₂O₃), silicon carbide (SiC), and silicon nitride (Si₃N₄) — for engineers whose applications demand tolerances to ±0.001mm and surface finishes to Ra 0.1μm. Advanced ceramics outperform metals and polymers wherever heat (up to 1,700°C), abrasion, corrosion, or electrical stress pushes conventional materials past their limits. As a single supplier for all four advanced ceramics, we carry projects from a 1-piece prototype to sustained production: 500+ projects delivered across 40+ countries with >98% on-time delivery. Send a drawing and a dedicated engineer replies within 24 hours with DFM feedback and an itemized quote.
Get a Free Quote for Your Ceramic Parts
Send your drawings or specs to sales@finecer.com — response within 24 hours.
One Supplier for All Four Advanced Ceramics
Most ceramic part factories specialize in one or two materials — which means the material you receive is the material they sell, not necessarily the one your application needs. FineCer manufactures all four core technical ceramics in-house, so material selection starts from your operating conditions, not from our inventory. Our engineers have deep expertise in material science, not just machining — we recommend the optimal grade for your application, not just the material you request. Start with our ceramic material selection guide or describe your application and we will advise, free of charge.
Zirconia (ZrO₂)
Highest fracture toughness among all ceramics (10–15 MPa·m¹/²). The only ceramic that can arrest its own cracks through transformation toughening. Thermal expansion matches steel for reliable metal bonding.
Best for: pump plungers, seal rings, medical implants, impact-prone parts
Explore Zirconia →
Alumina (Al₂O₃)
The most versatile and cost-effective advanced ceramic. Unmatched electrical insulation (>10¹⁴ Ω·cm), hardness up to 19 GPa, and service temperature to 1,700°C. Available in 9 purity grades from 95% to 99.99%.
Best for: electronic substrates, insulating fixtures, wear parts, semiconductor
Explore Alumina →
Silicon Carbide (SiC)
9.5 Mohs hardness — second only to diamond. Thermal conductivity (120–160 W/m·K) comparable to aluminum metal. Zero free silicon in our SSiC grade for maximum chemical resistance.
Best for: mechanical seals, blast nozzles, wafer chucks, kiln furniture
Explore SiC →
Silicon Nitride (Si₃N₄)
Retains >80% of room-temperature strength at 1,200°C. Lightest structural ceramic (3.2 g/cm³). Self-lubricating surface enables 2× higher rotational speeds than steel in bearing applications.
Best for: ceramic bearings, turbocharger rotors, molten metal handling
Explore Si₃N₄ →Precision Ceramic Products & Components
Every product family below is available in all four materials — a flexibility that lets you benchmark the same geometry in different ceramics before committing. Custom geometries, threads, stepped profiles, and ceramic-metal bonded assemblies are our specialty. Minimum order: 1 piece for prototyping.
Ceramic Tubes & Pipes
ID 0.5–145mm, OD to 150mm. Thick/thin wall, multi-bore, one-end closed, threaded. Zero porosity for gas-tight sealing at temperatures to 1,700°C.
View Tubes →
Plates & Substrates
Max 550mm width, min 0.2mm thick. 96% alumina electronic substrates with dielectric constant 9.8. Wafer chucks, sintering setters, insulating plates.
View Plates →
Rings & Bushings
ID from 0.3mm, OD to 400mm. CIP-formed for maximum density uniformity. Mechanical seals, bearings, insulating washers, wire-drawing dies.
View Rings →
Pumps & Plungers
Mirror-grade Ra 0.1μm surface finish. 5–8× longer service life than stainless steel. Ceramic-to-steel brazing for hybrid assemblies. Clearance control to 0.005–0.015mm.
View Plungers →
Ceramic Valves
Valve cores, dispensing valves, control valves. Near-zero thermal deformation, 3–10× service life vs metal. For chemical and petroleum service.
View Valves →
Custom Parts
Complex geometries via CNC, injection molding (CIM), or isostatic pressing. Holes ≥0.7mm, threads ≥M2, curves, steps. Full DFM review included.
View Custom Parts →Manufacturing Capabilities — Powder to Precision Under One Roof
Our ISO 9001:2015 certified facility integrates the complete ceramic production chain in-house — powder preparation, CIP and CIM forming, high-temperature sintering, diamond precision machining, and final CMM inspection. This vertical integration keeps quality under our control at every stage and eliminates the inconsistencies that occur when production steps are outsourced to multiple workshops.
How We Run Your Project — One Dedicated Engineer, Seven Stages
Every project at FineCer follows a structured project management process run by a dedicated engineer assigned to your account. This person understands your application requirements, tracks every production stage, and serves as your single point of contact from first inquiry to final delivery. Here is exactly what happens at each stage:
| Stage | What Happens | What You Receive |
|---|---|---|
| 1. Inquiry (Day 0) | You send drawings (STEP, DWG, PDF, or sketch) with material preferences, quantity, and application description. | Confirmation of receipt within 4 hours. Your dedicated engineer is assigned. |
| 2. DFM Review (Day 1–2) | Our ceramic engineer reviews your design for manufacturability. We check wall thickness, draft angles, tolerance feasibility, and material suitability for your application. | Written DFM report with specific recommendations. If we identify potential issues, we suggest solutions — not just problems. |
| 3. Quotation (Day 2–3) | Based on confirmed specifications, we prepare a detailed quotation covering material, forming process, machining, inspection, and packaging. | Itemized quote with: sample price, volume price tiers, tooling cost (if CIM), and lead time. No hidden charges. |
| 4. Sample Production (Day 3–18) | Upon order confirmation, we produce 1–5 sample pieces using the same production line, materials, and processes as volume production. Every sample undergoes full quality inspection. | Sample parts + complete inspection report: CMM dimensional data, density, hardness, surface roughness, visual inspection record, material certificate. |
| 5. Validation (Your timeline) | You test the samples in your application. We remain available for technical discussion — if adjustments are needed, we iterate quickly. | Technical support during your testing. If you need modified samples, we produce them with priority scheduling. |
| 6. Volume Order (15–30 days) | Approved specifications are locked. We schedule batch production with the same process parameters validated during sampling. | Production parts with batch-level inspection reports. Status updates at key milestones. Parts individually or bulk packed per your specification. |
| 7. Delivery & After | Parts are professionally packed (foam-lined cartons for domestic, wooden crates for international) and shipped via your preferred logistics. | Tracking information, delivery confirmation. For any post-delivery questions, your project engineer remains your contact — we do not hand you off to a generic support queue. |
Why Engineers Choose FineCer
In the advanced ceramics industry, choosing the right manufacturing partner is as important as choosing the right material. Here is what sets us apart — and why our clients stay with us.
Quality — Built Into the Process, Not Inspected at the End
We have observed that many ceramic manufacturers focus their quality efforts on final inspection — measuring parts after they leave the sintering furnace and rejecting those that fail. This approach is wasteful and, more importantly, it means defects are discovered too late to understand their root cause.
At FineCer, quality control starts at the powder stage. We verify incoming raw material particle size distribution, purity, and moisture content before production begins. During forming, we monitor pressing pressure, hold time, and green body density. During sintering, our programmable furnaces follow precisely characterized temperature curves — because we know that a 20°C deviation or a 50°C/hr difference in heating rate can measurably affect final part density, grain size, and mechanical strength.
This process-focused approach to quality is why we maintain a quality complaint rate below 0.5% — and it is why our clients trust us for critical applications in semiconductor, medical, and aerospace equipment.
Technical Depth — We Understand Materials, Not Just Dimensions
Many ceramic part manufacturers can grind a rod to ±0.001mm. What differentiates FineCer is that our engineers understand the material science behind the dimensions — why a particular zirconia grade performs differently at 600°C versus room temperature, how sintering atmosphere affects silicon nitride grain boundary chemistry, and which alumina purity grade truly matters for your specific dielectric requirements.
This materials knowledge means we do not simply execute your drawing — we contribute engineering value. When a client specifies 99.9% alumina but their application only requires 96% purity, we tell them. When a zirconia plunger design has a stress concentration that will cause premature fracture, our DFM review catches it before a single part is produced. This is the difference between a parts supplier and a manufacturing partner.
Flexibility — From 1 Piece to 100,000 Pieces
We understand that product development is iterative. Your first order might be 3 sample pieces. If the samples pass your testing, the next order might be 50 pieces. Six months later, you might need 5,000 pieces per month. We are equipped to support this entire journey — our facility handles both low-volume prototype runs and sustained high-volume production on the same equipment.
This flexibility extends to materials. We maintain inventory of all four core ceramic powders (ZrO₂, Al₂O₃, SiC, Si₃N₄) and multiple grades of each, so we can produce samples without waiting for raw material procurement. For standard geometries, we offer 48-hour rapid prototyping.
Transparency — No Surprises, No Hidden Costs
We provide itemized quotations that clearly separate material cost, forming cost, machining cost, inspection cost, and packaging cost. When we quote a lead time, we include realistic buffer for each production stage — we would rather under-promise and over-deliver than give you an aggressive timeline we cannot reliably meet.
During production, your project engineer provides proactive status updates. If an unexpected issue arises (a raw material batch that does not meet our incoming specification, a sintering furnace that requires maintenance), we communicate immediately and propose solutions — not after the fact, but in real time.
This transparency builds the trust that makes long-term partnerships possible. Many of our clients have worked with us for 3–5+ years, with increasing order volumes over time — a pattern that only happens when both product quality and communication quality are consistently high.
What Our Clients Say
"We tested three Chinese ceramic suppliers for our pump seal application. FineCer was the only one that delivered zirconia rings within the ±0.002mm tolerance we specified — on the first sample batch. They have been our sole supplier for 2 years now."
— R. Müller, Procurement Manager, Industrial Pump Manufacturer (Germany)
"What impressed me most was the DFM feedback. Their engineer identified a wall thickness issue in our design that our previous supplier never mentioned. The redesigned part performed significantly better and actually cost less to produce."
— J. Park, R&D Engineer, Semiconductor Equipment Company (South Korea)
"We started with a 5-piece sample order of alumina substrates. The quality reports were thorough — CMM data, density, surface roughness, everything documented. We have since placed 6 repeat orders with increasing volumes."
— S. Tanaka, Quality Director, Electronics Manufacturer (Japan)
Industries We Serve
Our precision ceramic components operate in environments where failure is not an option — from semiconductor clean rooms where a single particle can destroy a wafer batch, to oil well pumps operating at 400 MPa, to medical implants that must last decades inside the human body.
emiconductor
Electrostatic chuck components, wafer vacuum chucks, etch chamber rings, gas distribution plates, insulating fixtures. Supporting sub-5nm process nodes.
Learn More →New Energy & PV
Sintering setters for solar cell firing, saggar plates for cathode calcination, YSZ grinding beads for electrode slurry, SOFC electrolyte membranes.
Learn More →Automotive
Zirconia oxygen sensors, Si₃N₄ turbocharger rotors (150,000+ RPM), hybrid ceramic bearings for EV motors, SiC brake discs.
Learn More →Medical
ISO 13356 zirconia dental crowns (strength >1,200 MPa), alumina hip joint balls, surgical tools, diagnostic pump components.
Learn More →erospace
Zirconia thermal barrier components, Si₃N₄ turbine blades (strength retained at 1,200°C), SiC rocket nozzle inserts, radar-transparent radomes.
Learn More →Industrial
SSiC mechanical seal rings (lapped to Ra 0.1μm), zirconia pump plungers (5–8× metal life), ceramic wear liners, guide rollers.
Learn More →Chemical
Corrosion-proof ceramic valves, reactor tube liners, acid-resistant nozzles, alkali-proof seal rings. Resistant to HCl, H₂SO₄, NaOH, organic solvents.
Learn More →Research & Lab
Custom R&D sample parts (MOQ 1 piece), crucibles, mortar & pestle sets, substrates for thin-film deposition, specialized test fixtures.
Order Samples →Our Guarantee of Cooperation
At FineCer, we believe that a transaction is just the beginning — the real value lies in the ongoing partnership. Here is what we guarantee to every client:
Quality Guarantee
Our team strictly follows ISO 9001:2015 standards and our own internal control specifications — which in many areas exceed ISO requirements — throughout every production stage. From incoming powder inspection to final CMM measurement, we maintain documented control over more than 30 critical process parameters. This rigorous approach enables us to achieve a quality complaint rate below 0.5%, which we continuously work to improve.
When issues do arise, our rapid response capability ensures corrective action within 48 hours. We have learned that quality assurance and fast response are not contradictory — they complement each other, and we invest heavily in both.
Service Guarantee
Whether your project is a single prototype sample or a multi-year volume production program, we assign a dedicated project engineer who understands your application, tracks your order through every production stage, and serves as your single point of contact.
Based on our past project experience, we consistently help customers shorten their product development cycles by providing proactive technical support — including material selection guidance, design-for-manufacturability (DFM) optimization, and alternative material suggestions that can reduce cost without compromising performance.
Price Guarantee
We understand that our customers may receive lower quotes from competitors. In the advanced ceramics market, however, the lowest price rarely delivers the best value. Parts that fail dimensional inspection, crack during shipping due to poor packaging, or degrade prematurely in service create costs that far exceed any initial savings.
Our pricing reflects genuine manufacturing quality — optimized processes, calibrated equipment, experienced operators, and thorough inspection. We continuously invest in process efficiency to improve our cost-competitiveness without cutting corners. For long-term partnerships, we offer volume-based pricing tiers that reward growing relationships.
Communication Guarantee
Clear, timely communication is as important as product quality. We respond to all inquiries within 24 hours. During production, your project engineer provides proactive status updates at key milestones — not only when problems arise, but at every stage so you always know where your order stands.
We communicate in English and Chinese. For complex technical discussions, our senior engineers participate directly rather than filtering through sales staff. This eliminates misunderstandings that commonly occur when technical requirements pass through multiple intermediaries.
Frequently Asked Questions
Ready to Start Your Project?
Send us your drawings, specifications, or even a rough concept. Our ceramic engineers respond within 24 hours with a DFM review, material recommendation, and detailed quotation — with no obligation.
Request a Free Quote → Order a Sample