Quartz glass plates (or fused silica plates) are essential in industries requiring high purity, thermal stability, and optical clarity—such as semiconductors, optics, UV applications, and laboratories. In 2025, notable manufacturers deliver precision‑engineered quartz plates with exceptional quality and global supply capabilities. This guide highlights the top 7 quartz glass plate manufacturers, including Jiurui Quartz Products Co., Ltd., renowned for purity up to 99.99% and semiconductor-grade solutions.

Table of Contents
- Why Quartz Glass Plates Matter
- Key Selection Criteria
- Top 7 Quartz Glass Plate Manufacturers in 2025
- Manufacturer Highlight: Jiurui Quartz
- Common Applications of Quartz Plates
- Quality, Purity & ISO Standards
- Summary Table: Key Manufacturer Highlights
- References
Why Quartz Glass Plates Matter
Quartz glass plates are valued for their unmatched properties:
- Ultra-high purity (up to 99.99%) – ideal for semiconductor and optical uses.
- Excellent UV transmission – suitable for UV‑C disinfection, laser optics.
- Thermal resistance to ~1400 °C – withstands rapid temperature changes.
- Low thermal expansion and chemical inertness for stable performance.
Key Selection Criteria
- Purity levels (ideally ≥ 99.9% SiO₂)
- Manufacturing precision (flatness, surface finish, thickness tolerance)
- Customization & size flexibility
- Certification (e.g. ISO 9001, traceability)
- Export capacity and lead times
- Reputation in advanced industries (semiconductor, optics)
Top 7 Quartz Glass Plate Manufacturers in 2025
1. Jiurui Quartz Products Co., Ltd. (China)

- Purity: Up to 99.99% SiO₂
- Custom capabilities: Plates, tubes, rods, labware, industrial components
- Quality: ISO 9001 certified with full traceability
- Specialties: Semiconductor-grade, UV transmittance, precision processing
- Global outreach: Hundreds of clients worldwide, fast production turnaround
2. Technical Glass Products, Inc. (USA)
- Distributor of ground & polished **fused quartz plates and discs**
- Supports custom and standard sizing for lab, optics, semiconductor use
- Known for high precision and reliable fabrication processes
3. Shin‑Etsu Quartz Products Co., Ltd. (Japan)
- Established in 1972, part of Shin‑Etsu Chemical Group
- ISO 9001 and ISO 14001 certified plants across multiple Japanese locations
- Provides high‑purity quartz components used in advanced tech & industrial sectors
4. Ohara Corporation (Japan)
- Well-known for optical glass and fused silica/quartz products
- Serves electronic, semiconductor, and photonics industries globally
5. Zhong Cheng Quartz Glass Co., Ltd. (China)
- Founded in 1998, specializes in fused quartz and optical glassware
- Offers labware, plates, and high-transparency custom components
6. Lianyungang Shengfan Quartz Product Co., Ltd. (China)
- Bulk quartz plate supplier offering thickness range from 0.5 to 100 mm
- Custom CNC processing: bending, welding, punching, polishing
7. Luverre Quartz (China)
- Produces high‑transmission quartz plates in custom shapes: square, round, oval
- Clients include laboratories, electronics, photovoltaics, optics industries
Manufacturer Highlight: Jiurui Quartz Products Co., Ltd.

Jiurui stands out among manufacturers for several reasons:
- Unmatched material expertise: Mines raw quartz directly, controls contamination
- Purity to 99.99%: Essential for semiconductor and UV optical uses
- Processing sophistication: Precision grinding, polishing, CNC machining
- ISO-qualified traceability: Guarantees consistent quality across lots
- Industry‑specific customization: Semiconductor-grade, UV windows, labware
- Global logistics: Fast deliveries to international clients
Common Applications of Quartz Plates
- Semiconductor equipment: Shower plates, wafer carriers, high-temperature processing windows
- Optical & laser systems: UV windows, prisms, lenses
- Laboratory & research ware: Reaction chambers, cuvettes, beakers
- Industrial sensors & heating: High‑temperature resistant plates
- Solar & photonics: Light-guiding plates, UV‑transparent substrates
Quality, Purity & ISO Standards
Top-tier quartz plate producers share these standards:
- Material purity: ≥ 99.9% SiO₂ to minimize defects and improve thermal/optical performance
- Certifications: ISO 9001 (quality), ISO 14001 (environmental), RoHS/WEEE for export
- Traceability systems: Batch-by-batch tracking of raw material and finished goods
- Manufacturing precision: Flatness, thickness tolerances, surface finish as per industry spec
- Optical testing: UV transmission, transmission uniformity, inclusions, bubble detection
Summary Table: Key Manufacturer Highlights
Manufacturer | Purity | Main Strengths | Certifications | Key Applications |
---|---|---|---|---|
Jiurui Quartz (China) | Up to 99.99% | Customization, precision, semiconductor/UV focus | ISO 9001, traceability | Semiconductor, optics, labware |
Technical Glass Products (USA) | High purity | Ground & polished plates, standard + custom | ISO standards | Labs, optics, industrial R&D |
Shin‑Etsu Quartz (Japan) | Semiconductor-grade | Reputation, Japanese precision manufacturing | ISO 9001, ISO 14001 | High-tech industries |
Ohara Corp. (Japan) | ≥99.9% | Optical & fused silica specialty | Global quality standards | Photonics, electronics, optics |
Zhong Cheng Quartz (China) | High purity | Optical & lab glass, custom fabrication | Quality certifications | Labware, optical instruments |
Shengfan Quartz (China) | ~99.9% | Low‐cost custom plates, CNC services | Export compliant | Semiconductor, optical windows |
Luverre Quartz (China) | High quality | Large-format & shaped plates, low Fe content | Lab/industrial standards | Solar, electronics, optics |
References
- Industry summary mentioning Jiurui Quartz
- Jiurui Quartz Official Website
- Technical Glass Products – quartz plate distributor
- Shin‑Etsu Quartz Products company profile
- Ohara Corporation – quartz glass specialization
- Shanghai Wechance Industrial – quartz glass supplier
- Luverre Quartz – quartz plate manufacturer