Import Twin Quartz Tube — Buy in wholesale FOB from Supplier in China
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Twin Quartz Tube
The Twin Quartz Tube supplied by Shenyang Hongzhan Trading Co., Ltd. is fabricated from high purity fused silica with a SiO2 content of 99.99%, offering a twin‑bore geometry that supports precise thermal processing. It tolerates continuous operation up to 1100°C and presents a smooth interior surface that limits contamination in semiconductor and pharmaceutical environments. The supplier notes that both standard and custom dimensions are available to match specific equipment requirements.
In the quartz tube market, fused silica of this grade is valued for its low thermal expansion, typically around 0.55×10⁻⁶ /°C, and its resistance to most acids, bases and organic solvents. Typical wall thickness ranges from 2 mm to 10 mm while outer diameters commonly fall between 25 mm and 150 mm, allowing adaptation to laboratory furnaces, electric heating devices and glass‑making kilns. Such tubes are frequently selected by manufacturers needing reliable heat transfer and minimal out‑gassing during high‑temperature cycles.
Importers usually request detailed drawings to verify bore alignment and surface finish, which is often specified to an optical grade Ra ≤ 0.2 µm. Trade terms are negotiated per order, and buyers should confirm the accepted Incoterms, payment method and any required certifications such as ISO 9001. Because the supplier’s response rate is currently recorded as zero, direct communication is essential to establish lead times, MOQ and packaging options before finalising a purchase.
| Material | High Purity Fused Silica (SiO2 99.99%) |
| Purity | 99.99% SiO2 |
| Maximum Operating Temperature | 1100°C |
| Thermal Expansion Coefficient | typical 0.55×10⁻⁶ /°C for fused silica |
| Wall Thickness | typical 2 mm - 10 mm |
| Outer Diameter | typical 25 mm - 150 mm |
| Length | typical 500 mm - 2000 mm |
| Surface Finish | typical optical grade Ra ≤ 0.2 µm |
| Chemical Resistance | typical resistance to acids, bases and solvents |
| Typical Certification | ISO 9001 (industry standard) |
Shenyang Hongzhan Trading Co., Ltd. is located in Tiexi, Shenyang, Liaoning Province, China (postal code 114200). The company is listed as a harbor‑tier supplier, indicating that it has passed basic verification checks on the platform, although its recorded response rate is currently 0.00 and average response time is zero hours, suggesting limited recent interaction with enquiries.
The supplier’s catalogue highlights the Twin Quartz Tube as a core product for industrial heating, laboratory furnaces and semiconductor fabrication. No additional certifications, production capacities or client references are disclosed in the listing, so buyers should request formal documentation and sample approvals before committing to large volumes.
The Twin Quartz Tube is a high-purity fused silica tube engineered with twin bore geometry, ideal for demanding industrial heating and thermal processing applications. With outstanding thermal resistance up to 1100°C, low thermal expansion, and superior chemical purity, this tube serves critical roles in semiconductor fabrication, pharmaceutical sterilization, laboratory furnaces, and chemical synthesis equipment. Available in standard and custom dimensions, it is widely sourced for import/export in the laboratory equipment, semiconductor, and industrial thermal processing sectors.
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Sourcing Twin Quartz Tube from Shenyang Hongzhan Trading Co., Ltd. - China Import Guide
Before placing an order, verify the material purity, thermal rating and surface‑finish specifications by requesting a recent material test report and a dimensional inspection certificate. Confirm that the supplier can provide the exact bore geometry and wall‑thickness tolerances required for your equipment, and ask for a sample if possible to validate fit and performance.
Logistics should be clarified early: ask the supplier which Incoterms they can support (e.g., FOB, CIF) and the typical lead time for standard versus custom tubes. Payment methods such as L/C or T/T are commonly offered, but the buyer must confirm the exact terms and any required advance deposits before production begins.
Quality assurance relies on pre‑shipment inspection, preferably by a third‑party agency that can verify dimensional accuracy, surface finish and chemical purity. Request the inspection report, the material test certificate and any applicable compliance documents (e.g., ISO 9001) to ensure the delivered tubes meet your quality standards.
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30 suppliersBuy Twin Quartz Tube in Bulk — Verified Supplier in China
When sourcing Twin Quartz Tube for your business, securing the right balance of quality and cost is essential. Shenyang Hongzhan Trading Co., Ltd., a verified supplier based in China, offers this product with key specifications including High Purity Fused Silica, Twin/Parallel Tube Configuration, SiO2 99.9% minimum, OH content < 10 ppm typical, and OD 10-50 mm, Length 500-2000 mm (custom sizes available). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $0.51/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7002.32, making it a staple in the Quartz sector with strong demand from importing countries worldwide.
Twin Quartz Tube Specifications, Trade Terms & Pricing
Importing Twin Quartz Tube requires careful attention to shipping logistics, customs compliance, and secure payment terms. Shenyang Hongzhan Trading Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7002.32 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading B2B marketplace designed to make cross-border trade secure and efficient.
About Shenyang Hongzhan Trading Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Twin Quartz Tube has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Quartz category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Import Twin Quartz Tube — Shipping, Logistics & Customs
Importing Twin Quartz Tube requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 7002.32 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Twin Quartz Tube
What is the wholesale price of Twin Quartz Tube?
The current listed wholesale price for Twin Quartz Tube from Shenyang Hongzhan Trading Co., Ltd. is $0.51/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Shenyang Hongzhan Trading Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Twin Quartz Tube?
The supplier, Shenyang Hongzhan Trading Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Twin Quartz Tube. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Twin Quartz Tube?
For international shipping and customs clearance, Twin Quartz Tube is classified under HS Code 7002.32. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Twin Quartz Tube from China?
To import Twin Quartz Tube from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Shenyang Hongzhan Trading Co., Ltd.. Ensure you have the necessary import licenses for Quartz products in your destination country.
Is Shenyang Hongzhan Trading Co., Ltd. a verified supplier?
Yes, Shenyang Hongzhan Trading Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Twin Quartz Tube?
The key specifications for Twin Quartz Tube supplied by Shenyang Hongzhan Trading Co., Ltd. include High Purity Fused Silica, Twin/Parallel Tube Configuration, SiO2 99.9% minimum, OH content < 10 ppm typical, and OD 10-50 mm, Length 500-2000 mm (custom sizes available). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Twin Quartz Tube?
Shenyang Hongzhan Trading Co., Ltd. offers Twin Quartz Tube with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Twin Quartz Tube the most?
Twin Quartz Tube is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Shenyang Hongzhan Trading Co., Ltd. through our platform.
What certifications does this Twin Quartz Tube supplier hold?
Shenyang Hongzhan Trading Co., Ltd. maintains international quality certifications. These ensure that the Twin Quartz Tube meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Twin Quartz Tube on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Shenyang Hongzhan Trading Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Shenyang Hongzhan Trading Co., Ltd..
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