Quartz Furnace Tube
Oversized Quartz Tube
Quartz Boat
Quartz Plate
Quartz Lamp Holder
Quartz Rod
Quartz Ring
Customized Quartz Products
Plasma-Fused Quartz Ingots
Quartz Irregular Shaped Sheets
Quartz Crystal Singing Pyramid
Half-white Coated Short-wave Infrared Quartz Heating Lamp
Southeast Quartz Factory Profile
Established in 2015, Lianyungang Southeast Quartz Products Co., Ltd. is situated in Donghai County, Jiangsu Province—globally recognized as the premier national base for the silicon material industry. Benefiting from this geological advantage, we leverage the region's superior high-purity quartz ore resources to manufacture state-of-the-art quartz glass solutions.
As a comprehensive manufacturer integrating R&D, design, production, and international trade, we specialize in the deep processing of fused silica. Over the years, Southeast Quartz has evolved into a key supplier of quartz consumables, serving critical sectors such as semiconductor processing, photovoltaics, laboratory research, chemical engineering, and high-performance lighting.
"By combining the natural purity of Donghai silica with advanced manufacturing technology, we deliver quartz glass components engineered to withstand extreme thermal, chemical, and physical challenges."
Custom Fused Quartz Tubes Technical Capabilities
Engineered to meet demanding thermal, optical, and mechanical specifications for industrial processes.
Exceptional Thermal Properties
Our fused quartz tubes feature an extremely low coefficient of thermal expansion (5.5 x 10-7/°C). They can reliably sustain continuous working temperatures up to 1200°C, and survive rapid thermal shocks without fracturing.
High Chemical Purity
With SiO2 content exceeding 99.99%, our products prevent heavy metal contamination during semiconductor diffusion and CVD processes. Low hydroxyl (OH) options are available to eliminate moisture outgassing.
Optical Clarity & Precision
Our tubes deliver high transmission across ultraviolet, visible, and infrared spectra. Dimensional tolerances for outer diameter (OD), inner diameter (ID), and wall thickness are controlled within strict micrometer limits.
Featured Quartz Products & Components
Explore our range of standard and bespoke quartz components engineered for demanding industrial operations.
Plasma-Fused Quartz Ingots
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Oversized Fused Quartz Tubes
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Custom Size Quartz Furnace Tubes
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Quartz Bell Jars
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Premium Quartz Boats
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Quartz Digestion Tubes
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Quartz Lamp Holders
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Fused Silica Quartz Plates
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High Purity Quartz Rods
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Custom Quartz Glass Rings
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Customized Quartz Products
View DetailsDiverse Industrial Applications
Our custom fused quartz tubes and components are designed to meet the rigorous demands of modern manufacturing and scientific exploration. The unique combination of chemical purity, thermal stability, and optical transparency makes them critical in several high-tech sectors:
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Semiconductor Processing: Used as furnace tubes, bell jars, and wafer transport boats in oxidation, diffusion, CVD, and etching processes.
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Solar Photovoltaics: Essential in silicon ingot growth and solar cell manufacturing processes, ensuring contamination-free thermal processing.
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Laboratory & Chemical: Custom quartz beakers, flasks, and digestion tubes designed for high-temperature reactions and acid purification systems.
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Industrial Heating & Lighting: Protective sleeves for infrared heaters, UV sterilization lamps, and high-power halogen light sources.
Explore Specific Applications:
Why Choose Southeast Quartz
Our commitment to quality control, precise customization, and reliable global supply chain management.
01. Customer Supreme
Adhering to the core philosophy of "Quality First, Customer Supreme, Innovation-Driven, and Integrity Management", we align our production lines with customer project requirements, ensuring seamless support from prototype to volume production.
02. Quality Control
Our products undergo rigorous testing before leaving the factory, including helium mass spectrometry leak detection, high-pressure thermal stress tests, and purity analysis. This guarantees zero defect and zero leakage under vacuum conditions.
03. Customized Services
We offer customized solutions. Whether you require specific lengths, unique flange connections, precision slotting, or custom-designed quartz instruments, our technical team processes raw quartz tubes to your exact specifications.
State-of-the-Art Manufacturing Facilities
Equipped with advanced processing technology, from raw material purification to final precision machining.
Product Processing Operations
Factory Workshop Display
International Certifications & Quality Standards
To meet the stringent requirements of international semiconductor and laboratory users, Southeast Quartz has established a complete quality inspection and compliance system. Our factory operations and products comply with major global standards, ensuring stable performance, environmental safety, and material traceablity.
Our products are exported to Europe, the Americas, Southeast Asia, and the Middle East, earning recognition from international engineering and research institutions.
Global Production Facility
Production Facility & Workstations
A closer look at our high-purity quartz processing lines and storage systems.
Get In Touch
Have customized requirements for fused quartz tubes, furnace tubes, or custom laboratory apparatus? Contact our engineering and sales department for product parameters, design consultations, and quotes.
No. 1 Qingsheng Rd., Qinghu Industrial Park, Donghai County, Jiangsu, China 222300
+86 135-8528-2520
+86 135-8528-6180
+86 138-5128-2778
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