Jiangsu Xiangtong Quartz Expands High-Purity Fused Quartz Production for Semiconductor and PV Markets
2026/09/03
Company News: Jiangsu Xiangtong Quartz Technology Co., Ltd.
Donghai County, Jiangsu, China — Jiangsu Xiangtong Quartz Technology Co., Ltd., a national technology-based SME founded in 2023 in Donghai County — the world-renowned "World Crystal Capital" — today announced the continued expansion of its high-purity fused silica production capabilities to better serve the rapidly growing global semiconductor, photovoltaic and laboratory instrumentation markets.
About the Company
Since its establishment in 2023, Xiangtong Quartz has grown into a specialized manufacturer integrating R&D, precision processing and global sales of high-purity fused silica products. The company operates an 18,000 m² standardized factory equipped with complete advanced processing machinery, supported by a professional team of more than 100 employees. To date, Xiangtong Quartz has served more than 200 customers worldwide, with strong annual sales performance reflecting the trust of clients across Asia, Europe and the Americas.
One-Stop Customized Quartz Solutions
Xiangtong Quartz offers a complete, one-stop customized production service covering the full spectrum of quartz components:
- Quartz Glass Tubes — High-purity transparent tubes from capillary size up to 300 mm outer diameter, with closed-end, open-end and two-bore structures for thermocouple protection, furnace and process gas applications.
- Quartz TC Tubes — Precision thermocouple protection tubes with purity up to 99.999%, designed for accurate, stable temperature sensing in diffusion, oxidation and CVD processes.
- Quartz Plates & Observation Windows — High-transmittance plates and pressure-rated sight windows offering visible light transmittance above 90% for high-temperature, high-pressure equipment.
- Quartz Boats & Furnace Tubes — Wafer boats (horizontal and vertical) and large-diameter furnace tubes compatible with 4" to 12" wafers for diffusion, LPCVD and annealing applications.
- Quartz Flanges, Cones, Bottles & Special-Shaped Components — One-piece formed flange tubes, conical components, high-purity storage bottles and custom-machined shapes per customer drawings.
Quality Built on Purity
All Xiangtong quartz products are manufactured from fused silica with SiO₂ purity of 99.99% or higher, with premium grades reaching 99.999%. Key quality characteristics include:
| Parameter | Xiangtong Quartz Standard |
|---|---|
| SiO₂ Purity | ≥ 99.99% (up to 99.999%) |
| Long-Term Service Temperature | 1100°C – 1200°C (short-term up to 1450°C) |
| Thermal Expansion Coefficient | 5.5 * 10⁻⁷ / °C (near-zero expansion) |
| Metal Ion Content | Na/K/Fe < 1 ppm |
| Wafer Compatibility | 4", 6", 8", 12" (100–300 mm) |
| Custom Tube Diameter | φ1.5 mm – φ500 mm |
Commitment to Global Customers
"As semiconductor and photovoltaic industries continue to demand ever-higher purity and precision, our mission is to provide customers with reliable, contamination-free quartz components backed by responsive engineering support," said a company spokesperson. "From standard tubes to complex custom-shaped parts, every product is processed to strict dimensional tolerances and verified before shipment."
Xiangtong Quartz welcomes OEM and ODM inquiries and supports custom manufacturing according to customer drawings, with flexible lead times and professional export packaging. For more information about Jiangsu Xiangtong Quartz Technology Co., Ltd. and its products, please visit www.quartzglass-tube.com.
Contact Information
Jiangsu Xiangtong Quartz Technology Co., Ltd.
Donghai County, Lianyungang, Jiangsu Province, China
Website: www.quartzglass-tube.com
