Import Harmonica-Shaped Aluminum Tube — Buy in wholesale FOB from Supplier in China
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The harmonica-shaped aluminum tube offered by Dongying Taixiao Trade Company is an extrusion profile made from Al-Mn 3003 alloy. Each profile measures 5 mm in width and 37 mm in overall height, with seven equally spaced circular holes along the length. The tube wall thickness can be selected between 0.35 mm and 4.00 mm, fitting the listed width range of 8-99 mm and height range of 2-10 mm. The profile is designed for direct integration into radiator and heat-exchanger assemblies where compact surface area is required.
Aluminum 3003 provides a balance of moderate strength and excellent corrosion resistance, making it suitable for large-scale radiator cores that operate in humid environments. The extrusion can be supplied with a mill finish or an optional anodised coating, both of which meet typical industry standards for heat-transfer components. Compared with plain round tubes, the harmonica shape increases the exposed surface by up to 30 percent while retaining a low weight. In the HVAC and automotive supply chain this profile is commonly sourced from Chinese aluminium-producing regions and shipped in bulk.
Typical buyers include OEMs of vehicle cooling systems, HVAC manufacturers and third‑party heat-exchanger fabricators. Trade terms such as Incoterms, payment schedule and minimum order quantity are not disclosed in the listing and should be confirmed with the supplier before placing an order. The supplier’s harbour-level trust tier indicates a verified export capability, but response metrics show no recent replies, so proactive communication is advised.
| Material | Aluminum Alloy 3003 (Al-Mn series) |
| Profile dimensions | Width 5 mm, Height 37 mm (custom size) |
| Hole count | 7 circular holes per profile (custom) |
| Wall thickness range | 0.35 mm - 4.00 mm (adjustable) |
| Width range (typical) | 8 mm - 99 mm (typical for extrusion lines) |
| Height range (typical) | 2 mm - 10 mm (typical) |
| Thermal conductivity (typical) | ≈210 W·m⁻¹·K⁻¹ (typical for 3003 alloy) |
| Tensile strength (typical) | ≈130 MPa (typical for annealed 3003) |
| Surface finish (typical) | Mill finish Ra 0.8 µm, optional anodised coating (typical) |
Dongying Taixiao Trade Company is located in Dongying, Shandong Province, China, operating from the Quanfuyuan Square area (postal code 257300). The company is listed with a harbour-level trust tier, which reflects compliance with basic export verification procedures required by Chinese customs.
The supplier’s public profile does not disclose production capacity, employee count or specific client references. Response statistics show a zero percent recent reply rate and no average response time, indicating that enquiries may require follow‑up through alternative contact channels. Buyers should therefore request a confirmed point of contact and recent export documentation before committing to large volumes.
This harmonica-shaped aluminum tube is an aluminum extrusion profile made from 3003 aluminum alloy, designed specifically for use in aluminum tube radiator assemblies and heat exchanger units. The non-circular profile with 7 holes measures 5mm by 37mm, optimizing surface area for thermal conductivity. Widely sourced from aluminum-producing regions for export to HVAC and automotive cooling system manufacturers, this profile is ideal for buyers sourcing radiator components and heat transfer parts at scale.
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Sourcing Harmonica-shaped Aluminum Tube from Dongying Taixiao Trade Company - China Import Guide
Before placing an order, importers should verify that the aluminium grade, wall‑thickness range and hole configuration match the technical drawings of their radiator design. Request a material test report and, if possible, a sample extrusion to confirm dimensional tolerances and surface finish. Confirm that the supplier can provide a compliance certificate for the 3003 alloy and any relevant corrosion‑resistance testing.
Logistics for bulk aluminium extrusions from China typically involve container loading at the nearest seaport, with Incoterms such as FOB Dongying or CIF Shanghai commonly offered. Payment terms are not listed, so discuss options such as T/T against documentary credit or a letter of credit before finalising the contract. Because the supplier’s response rate is currently zero, establish a reliable point of contact and agree on a clear production schedule to avoid delays.
Quality assurance for heat‑exchanger components usually includes visual inspection, dimensional measurement and, where required, ultrasonic testing for internal defects. Arrange for a third‑party inspection agency to conduct pre‑shipment checks, and request the supplier’s mill test certificate and heat‑treatment records. Retain all inspection reports and certificates as part of the import documentation to facilitate customs clearance and future warranty claims.
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30 suppliersBuy Harmonica-Shaped Aluminum in Bulk — Verified Supplier in China
When sourcing Harmonica-Shaped Aluminum Tube for your business, securing the right balance of quality and cost is essential. Dongying Taixiao Trade Company, a verified supplier based in China, offers this product with key specifications including 3003 Aluminum Alloy (Al-Mn Series), Aluminum 3003, Mn 1.0-1.5%, Cu 0.05-0.2%, remainder Al, and 5mm x 37mm (Height x Width). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $3700/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7604.29, making it a staple in the Aluminum Tubes sector with strong demand from importing countries worldwide.
Harmonica-Shaped Aluminum Specifications, Trade Terms & Pricing
Importing Harmonica-Shaped Aluminum requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dongying Taixiao Trade Company 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 7604.29 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 import export marketplace designed to make cross-border trade secure and efficient.
About Dongying Taixiao Trade Company — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Harmonica-Shaped Aluminum 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 Aluminum Tubes category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Harmonica-Shaped Aluminum — Shipping, Logistics & Customs
Importing Harmonica-Shaped Aluminum 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 7604.29 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 Harmonica-Shaped Aluminum
What is the wholesale price of Harmonica-Shaped Aluminum Tube?
The current listed wholesale price for Harmonica-Shaped Aluminum Tube from Dongying Taixiao Trade Company is $3700/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 Dongying Taixiao Trade Company through EximNext.
What is the Minimum Order Quantity (MOQ) for Harmonica-Shaped Aluminum?
The supplier, Dongying Taixiao Trade Company, has set a Minimum Order Quantity (MOQ) of 1 Bags for Harmonica-Shaped Aluminum. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Harmonica-Shaped Aluminum Tube?
For international shipping and customs clearance, Harmonica-Shaped Aluminum Tube is classified under HS Code 7604.29. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Harmonica-Shaped Aluminum from China?
To import Harmonica-Shaped Aluminum from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Dongying Taixiao Trade Company. Ensure you have the necessary import licenses for Aluminum Tubes products in your destination country.
Is Dongying Taixiao Trade Company a verified supplier?
Yes, Dongying Taixiao Trade Company 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 Harmonica-Shaped Aluminum Tube?
The key specifications for Harmonica-Shaped Aluminum Tube supplied by Dongying Taixiao Trade Company include 3003 Aluminum Alloy (Al-Mn Series), Aluminum 3003, Mn 1.0-1.5%, Cu 0.05-0.2%, remainder Al, and 5mm x 37mm (Height x Width). 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 Harmonica-Shaped Aluminum?
Dongying Taixiao Trade Company offers Harmonica-Shaped Aluminum with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Harmonica-Shaped Aluminum the most?
Harmonica-Shaped Aluminum is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dongying Taixiao Trade Company through our platform.
What certifications does this Harmonica-Shaped Aluminum supplier hold?
Dongying Taixiao Trade Company maintains international quality certifications. These ensure that the Harmonica-Shaped Aluminum meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Harmonica-Shaped Aluminum Tube on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Dongying Taixiao Trade Company 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 Dongying Taixiao Trade Company.
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