
Zhejiang Jingui Technology · Advanced Materials
High-purity quartz.
Precision materials.
Proven processes.
Quartz sand, silica powders and process equipment for semiconductor, photovoltaic, optical and electronic manufacturing.
From ore to finished product
Our own resources, backed by purification and testing.
We assess the ore, design the purification process and verify the results through laboratory testing. Material properties and target quality guide equipment selection and operating conditions.
- 01 / Mines
Our Own Quartz Mines
Our own quartz mines give us direct control over ore selection, impurity assessment and material processing.
- 02 / Products
Quartz Products
Quartz sand · quartz ingots, boules, etching rings and rods manufactured and machined to your drawings.
- 03 / Services
Production Lines & Testing
Quartz sand production lines and ingot furnaces, with composition and particle-size testing for ore, sand and powders.

QUARTZ ETCH RINGJINGUI MANUFACTURING · SEMICONDUCTOR QUARTZ
From quartz boules
to precision rings.
Quartz etching rings made to your drawing. We machine rings from our own quartz boules to meet your dimensional, geometry and surface requirements.
What is an etching ring?
A ring-shaped component used in semiconductor plasma etching equipment. Depending on the equipment and process design, quartz rings provide insulation, separation or chamber protection.
- Our own quartz boules
- Made to drawing
- Custom dimensions
Materials & capabilities
Six areas of expertise in materials, equipment and testing.
We supply high-purity quartz and silica materials, precision quartz components, laboratory testing and production-line engineering.

Crystalline & fused quartz
High-Purity Quartz Sand
Crystalline quartz sand up to 6N and fused quartz sand up to 5N8, with impurity limits and particle sizes selected for your application.
View material →
High-Purity / Spherical / Plasma Nano
Silica Powder
High-purity, spherical and plasma-processed nano silica, selected by the properties your process needs.
View material →
Quartz boules / Etching rings
Quartz Components
Quartz ingots, boules and semiconductor etching rings, with material data and machining to your drawing.
View material →
Process design
Production Lines & Engineering
Quartz sand production lines, quartz ingot furnaces, process equipment and technical upgrades.
View engineering →
Solid HCR / Liquid LSR
Silicones
Solid HCR and liquid LSR silicone rubber reinforced with fumed silica, selected for your process and finished-part requirements.
View material →
13 trace elements
Laboratory Testing
Paid testing of mineral and quartz samples for trace elements, particle-size distribution, sieve fractions and material evaluation.
Explore testing →Two types of quartz sand
Different structures.
Different performance.
Choose crystalline or fused quartz sand according to the required material structure, thermal behaviour and processing conditions.
Silica powder families
Three product families,
matched to your process.
Compare the purity, particle structure and application of each powder family, then view the relevant product information.

- Quartz etching ring
- Quartz cover ring
- Quartz window
- Upper edge ring
- Lower edge ring
- Quartz nozzle
- Quartz shield
- Quartz shutter
Quartz for semiconductor manufacturing
From quartz boule.
To precision ring.
We machine quartz rings from our own boules for semiconductor etching. Material, geometry and surface quality are matched to your drawing.
- Outside diameter
- 100–600 mm
- Precision machining
- To your drawing
Quartz value chain / 01—04
From raw-material assessment to products for your application.
From quartz ore to precision components.
We work across ore evaluation, quartz sand production and component manufacturing, supported by our own quartz resources.
- 01Quartz Mineral
Assess mineral structure and impurity risks.
- 02Laboratory Testing
Check elemental content, particle size and process suitability.
- 03Quartz Sand
Purify and size the material for the required grade.
- 04Quartz Components
Machine high-purity quartz into precision components.
News & technical insights
Technical enquiry
Tell us what your process needs from quartz.
Share the application, target composition, particle-size range and expected volume. Our team will review the requirements and advise on the next steps.
Discuss your requirements →








