Import Solar Tube — Buy in Bulk from Supplier in China
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1.All Glass Vacuated Tube All glass evacuated tubes are the key component of solar collectors. The evacuated tube is similar to a conventional Dewar flask and consists of two borosilicate glass tubes, a glass with high chemical and thermal shock resistance. The outer side of the inner tube is coated with a sputtered solar selective surface. This coated inner tube is closed at one end and sealed at the other end to the outer tube. The annular space between the outer tube and inner tube is evacuated to virtually eliminate heat loss by conduction and convection. We use the tubes which use the successfully developed innovative Advanced Solar Selective Coatings in commercial scale, which achieve the highest thermal efficiency and good thermal stability. Solar selective coatings absorb most solar radiation while simultaneously suppressing the thermal emittance loss from coating surfaces. They vary mainly in their optical property and thermal stability. Excellent results have been obtained by using DC magnetron sputtering technology. A solar absorbance of 0.94 - 0.96 with an emittance of 0.04 - 0.06 at 100 centigrade has been achieved. Models º¦47í-150 º¦58í-180 Weight 1.35í+0.12kg 2.29í+0.18kg Structure All glass coaxial double-layer tubes All glass coaxial double-layer tubes Outer tube diameter º¦47í+0.7mm º¦58í+0.7mm Inner tube diameter º¦37í+0.7mm º¦47í+0.7mm Outer Tube thickness 1.6í+0.15mm 1.8í+0.15mm Inner tube thickness 1.6í+0.15mm 1.6í+0.15mm Tubes length 1542í+4mm 1812í+4mm Material of coating AlN/AIN-SS/Cu AlN/AIN-SS/CU Absorptance 0.94~0.96 0.94~0.96 Emittance 0.04~0.06 0.04~0.06 Vacuum Pí_5í-10-3pa Pí_5í-10-3pa Transmittance of Outer Tube 0.91 0.91 Stagnation temperature (height) 270~300íµ 270~300íµ Heat-loss coefficient í_0.6w/ m2*íµ) í_0.6 w/ (m2*íµ). Bearing hailstone ability hailstone diameterº¦25mm hailstone diameterº¦25mm. Pressure-endure ability 1MPa 1MPa.
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| 企业类型 | Supplier |
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| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Sourcing Solar tube from China
Solar tube is offered by Changzhou Longquan Solar Energy Manufacture Co., Ltd, a Supplier based in China, in wholesale quantities for importers, distributors, and trade buyers. Contact the supplier to request pricing, minimum order quantity, and shipping terms for your destination.
When importing Solar tube, confirm trade terms such as FOB or CIF, packaging, and any certification or documentation you need directly with the supplier before placing a bulk order.
Active buying requirements from importers looking for Similar products
United Arab Emirates
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30 suppliersBuy & Import Solar Tube — Wholesale Supply from China
Securing a reliable supply chain for Solar Tube is critical for maintaining your business operations. Changzhou Longquan Solar Energy Manufacture Co., Ltd, a verified supplier located in China, provides high-quality Solar Tube ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Glass Tubes industry, catering to distributors, wholesalers, and importers worldwide.
Request Wholesale Pricing & Bulk Trade Terms
Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing Solar Tube from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Changzhou Longquan Solar Energy Manufacture Co., Ltd. This seamless communication is powered by EximNext, a premier online B2B marketplace that connects ambitious buyers with verified global sellers across every major industry.
About Changzhou Longquan Solar Energy Manufacture Co., Ltd — Verified Supplier in China
We understand that verifying supplier credentials is a top priority for importers. Changzhou Longquan Solar Energy Manufacture Co., Ltd is part of our extensive network of vetted international exporters. Browse more products in the Glass Tubes category or discover new suppliers across the Glass Tubes sector. Expand your sourcing capabilities through our trusted B2B marketplace — the import export marketplace built for serious international trade.
International Shipping & Import Guidelines for Solar Tube
When importing Solar Tube from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Frequently Asked Questions About Solar Tube
How can I get the wholesale price for Solar Tube?
Click the "Request Quotation" button to contact Changzhou Longquan Solar Energy Manufacture Co., Ltd directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy Solar Tube in bulk from China?
Yes, Changzhou Longquan Solar Energy Manufacture Co., Ltd provides Solar Tube for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
What shipping terms are available for this product?
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Changzhou Longquan Solar Energy Manufacture Co., Ltd. Contact the supplier to discuss the best logistics options for importing Solar Tube to your country.
How do I request a sample of Solar Tube?
Send a direct message to Changzhou Longquan Solar Energy Manufacture Co., Ltd through our platform to request a product sample before committing to a large wholesale order.
Is it safe to source products from this supplier?
Changzhou Longquan Solar Energy Manufacture Co., Ltd is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).
What specifications should I ask for when importing Solar Tube?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Changzhou Longquan Solar Energy Manufacture Co., Ltd.
Does Changzhou Longquan Solar Energy Manufacture Co., Ltd offer custom packaging or private labeling?
Many suppliers on EximNext, including Changzhou Longquan Solar Energy Manufacture Co., Ltd, offer custom packaging and private label options for bulk wholesale orders.
What payment methods are accepted for international orders?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.
Can I find more Glass Tubes suppliers on EximNext?
Yes, EximNext hosts a wide network of verified Glass Tubes manufacturers, exporters, and wholesalers across 200+ countries.
How do I contact Changzhou Longquan Solar Energy Manufacture Co., Ltd for a bulk trade inquiry?
Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our online B2B marketplace.
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