Expert in Precision Ceramics

St.Cera Co., Ltd. is a leading manufacturer of high-performance ceramic components for semiconductor, new energy, fiber-optic communication, and precision instruments. Founded in 2008 and based in Changsha, Hunan, China, we specialize in R&D and export of advanced ceramic parts with micron-level precision.

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About St.Cera

St.Cera Co., Ltd. is located in the High-Tech Industrial Development Zone, Changsha, Hunan, China. Formerly known as Shenzhen Selton Technology Co., Ltd., established in 2008, we have evolved into a trusted global supplier of precision ceramic components.

We specialize in the research, development, and manufacturing of advanced ceramic parts for export. Our products are widely used in semiconductor, optical fiber communication, laser systems, medical devices, petroleum, metallurgy, and electronics industries.

2008

Founded

15+

Years Experience

30+

Countries Served

100%

Inspection

Key Applications

Precision ceramics enabling innovation across industries

Semiconductor

Precision ceramic materials maintain high stability in complex physical and chemical environments critical for semiconductor manufacturing equipment.

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New Energy

Ceramics are one of the preferred materials for new energy applications, meeting the demanding requirements of high-temperature and corrosive environments.

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Fiber-Optic Communication

Customizable dimensions including outer diameter, inner diameter, length, and chamfer to meet exact customer specifications for optical components.

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Precision Instrument

Due to excellent mechanical and thermal properties, ceramic materials are widely used in various types of precision instruments requiring long-term reliability.

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Pharmaceutical Equipment

Ceramics are used in modern pharmaceutical machinery including lamp detector bases, ceramic bearings, ceramic pumps, and other critical components.

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Other Fields

As traditional materials fail to meet modern requirements, customers across industries are turning to ceramic materials for superior performance and durability.

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Our Products

High-performance ceramic components engineered for precision and reliability

Ceramic Laser Waveguide

Precision-engineered waveguides for laser systems with excellent thermal stability and dimensional accuracy.

High thermal conductivity
Low thermal expansion
Customizable geometry

Ceramic End Effector

High-precision end effectors with tight tolerances for semiconductor and automation applications.

±0.001 mm tolerance
Ra 0.1 surface finish
1600℃ temperature resistance

Semicon Equipment Ceramics

Critical spare parts meeting strict requirements for wear resistance, corrosion resistance, and insulation.

Wear & corrosion resistant
Electrical insulation
Ultra-clean surface

Ceramic Structural Parts

Versatile components used in semiconductor equipment, optical communication, medical devices, and more.

High strength-to-weight
Chemical inertness
Long service life

Ceramic Tubes

Precision tubes with tight inner diameter tolerances for optical and industrial applications.

ID: 1.25–3.0 mm
±0.001 mm ID tolerance
Smooth inner surface

Ceramic Rods

High-purity rods made from zirconia, 95%–99.9% alumina, silicon nitride, and other advanced ceramics.

High flexural strength
Excellent wear resistance
Custom lengths & diameters

Customized Service

Send your drawings, dimensions, and special requirements. Our engineers will provide the best solution.

Prototype development
Small to mass production
Full technical support

Advanced Materials

Oxide Ceramic

Nitride Ceramic

Machinable Ceramic

Carbide Ceramics

Zirconia, Alumina (95%-99.9%), Silicon Nitride, and more.

Advanced Process Technology

Precision machining ensures dimensional accuracy and superior surface finish

Pressing

The most widely used forming process, especially suitable for ceramic products with various small thicknesses and simple geometries.

Sintering

Compacting and forming a solid mass by heat or pressure without melting, achieving high density and mechanical strength.

Grinding

Includes cylindrical, outside diameter, and inside diameter grinding for achieving tight tolerances and smooth finishes.

Plane Processing

Most common grinding operation to attain precise flat surfaces for functional and sealing purposes.

CNC Processing

CNC milling and turning for complex shapes with micron-level accuracy and repeatability.

Inspection

Every product undergoes rigorous testing using precision instruments to ensure zero defects before shipment.

"Due to shrinkage and deformation during sintering, precision machining is an indispensable and critical process to achieve required dimensional accuracy and surface finish."

Frequently Asked Questions

What materials do you work with?

We specialize in oxide ceramics (alumina, zirconia), nitride ceramics (silicon nitride), machinable ceramics, and carbide ceramics. We can also work with custom materials based on application requirements.

What are your precision capabilities?

We can achieve dimensional tolerances down to ±0.001 mm and surface finishes as fine as Ra 0.1. Our ceramic end effectors, for example, meet the most demanding semiconductor industry standards.

Do you offer custom manufacturing?

Yes, we provide full customized services. Please send your drawings, detailed dimensions, and special requirements, and our engineering team will provide the best solution for your application.

What industries do you serve?

Our products are used in semiconductor manufacturing, new energy systems, fiber-optic communication, precision instruments, pharmaceutical equipment, medical devices, and more.

How do you ensure quality?

Every product undergoes rigorous inspection using precision testing instruments before leaving the factory. We maintain 100% inspection for critical dimensions and surface quality.

Get in Touch

Contact Information

[email protected]
+86 731 88160982
+86 731 88160992
stcera88

Quick Action

For fastest response, please visit our official website and submit your inquiry with drawings and specifications.

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