Import Evacuated Solar Tube — Buy in wholesale FOB from Supplier in Global Markets
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Evacuated Solar Tube
The evacuated solar tube produced by Hongjitang Group consists of two concentric glass tubes sealed in a semi‑circular fashion on one side and joined on the other, creating an evacuated space that is hermetically sealed. Inside the inner tube a highly selective, environmentally friendly coating is applied to the glass surface, turning it into an efficient solar absorber. The aluminum nitride sputter coating used provides extremely low infrared emission and a high absorption rate, which enhances thermal performance.
The tube is typically made from borosilicate glass, a standard material chosen for its resistance to thermal shock and durability in outdoor conditions. Typical tube lengths range from 1.5 to 2.0 metres with diameters of 70 to 100 mm, and the vacuum level inside is usually around 10‑3 Pa, a common target for solar thermal collectors. These specifications align with industry norms for high‑efficiency evacuated tube collectors.
Primary users are solar thermal system integrators, EPC contractors and manufacturers of water‑heating or industrial process‑heat equipment. The tubes are installed in arrays that capture solar radiation and convert it into heat for domestic hot water, space heating or industrial processes. Buyers should confirm the required quantity, shipping terms and any certification requirements directly with the supplier, as these details are not published in the listing.
| Construction | Two concentric glass tubes sealed semi‑circularly |
| Vacuum Space | Evacuated and hermetically sealed (typical vacuum level 10‑3 Pa) |
| Absorber Coating | Aluminum nitride sputter coating (typical for high absorption and low emission) |
| Glass Type | Borosilicate glass (standard for solar tubes) |
| Typical Length | Typical 1.5 - 2.0 m |
| Typical Diameter | Typical 70 - 100 mm |
| Operating Temperature Range | Standard -20 °C to +80 °C |
| Mounting Ends | Semi‑circular sealed ends (typical design) |
| Solar Absorption Rate | Extremely low emission, high absorption rate as described by supplier |
| Weight per Metre | Typical 5 - 7 kg per metre (standard for borosilicate tubes) |
Hongjitang Group is based at No.30099 East Jingshi Road, Jinan, Shandong Province, China. The company holds a harbor trust tier on the platform, but its response rate is recorded as 0.00 with no average response time, indicating limited recent engagement with inquiries.
The group specialises in the manufacture of evacuated solar tubes designed for high‑efficiency solar thermal applications. Their product line focuses on delivering tubes with aluminium‑nitride sputter coatings and reliable vacuum sealing, aiming to meet the performance expectations of solar energy installers and system integrators.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing Evacuated Solar Tube from Hongjitang Group - China Import Guide
Before finalising a purchase, confirm Hongjitang Group's business licence and request a product catalogue that details the tube dimensions, coating specifications and vacuum level. Verify that the supplier can provide test reports for absorption efficiency and vacuum integrity, and ask for references from previous solar projects to gauge reliability.
Clarify logistics early by agreeing on an Incoterm such as FOB or CIF, and obtain an estimated production lead time and shipping schedule. Because the supplier's response rate is currently zero, it is advisable to secure a written quotation and delivery commitment before issuing a purchase order. Discuss payment methods and any required bank guarantees to protect both parties.
Plan for quality assurance by arranging a factory acceptance test of the vacuum level and coating performance, and consider an on‑site inspection after shipment. Request a compliance certificate for CE or ISO standards, as well as a detailed installation manual. Having these documents in hand will help ensure the tubes meet the performance expectations of your solar thermal system.
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30 suppliersBuy Evacuated Solar Tube in Bulk — Verified Supplier in Global Markets
When sourcing Evacuated Solar Tube for your business, securing the right balance of quality and cost is essential. Hongjitang Group, a verified supplier based in , offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1.65/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Solar Power Equipments sector with strong demand from importing countries worldwide.
Evacuated Solar Tube Specifications, Trade Terms & Pricing
Importing Evacuated Solar Tube requires careful attention to shipping logistics, customs compliance, and secure payment terms. Hongjitang Group offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. 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 import export marketplace designed to make cross-border trade secure and efficient.
About Hongjitang Group — Supplier in Global Markets
Finding trustworthy partners is the foundation of successful importing. The supplier of this Evacuated Solar 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 Solar Power Equipments category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Evacuated Solar Tube — Shipping, Logistics & Customs
Importing Evacuated Solar 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 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 Evacuated Solar Tube
What is the wholesale price of Evacuated Solar Tube?
The current listed wholesale price for Evacuated Solar Tube from Hongjitang Group is $1.65/Bags on FOB terms from . Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Hongjitang Group through EximNext.
What is the Minimum Order Quantity (MOQ) for Evacuated Solar Tube?
The supplier, Hongjitang Group, has set a Minimum Order Quantity (MOQ) of 1 Bags for Evacuated Solar Tube. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Evacuated Solar Tube?
The HS Code classification for Evacuated Solar Tube depends on the specific grade and form. Contact Hongjitang Group through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Evacuated Solar Tube from international markets?
To import Evacuated Solar Tube from international markets, negotiate shipping terms (FOB, CIF, or EXW) directly with Hongjitang Group. Ensure you have the necessary import licenses for Solar Power Equipments products in your destination country.
Is Hongjitang Group a verified supplier?
Yes, Hongjitang Group 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 Evacuated Solar Tube?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Hongjitang Group through EximNext.
What packaging options are available for bulk orders of Evacuated Solar Tube?
Hongjitang Group offers Evacuated Solar Tube with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Evacuated Solar Tube the most?
Evacuated Solar Tube is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Hongjitang Group through our platform.
What certifications does this Evacuated Solar Tube supplier hold?
Hongjitang Group maintains international quality certifications. These ensure that the Evacuated Solar Tube meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Evacuated Solar Tube on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Hongjitang Group 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 Hongjitang Group.
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