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we are professional supplier for 5n/6n/7n copper, copper ingot, copper pellets, copper rod, we also supply copper back plate and copper alloy. We have 13,000 workshops, 4,000 are 1000,000-level cleaning rooms for purification, 1000 are for 300,000-level cleaning rooms for packaging. Currently Cowin Semicon has plants with 1000 tons designed capacity per year.
Key Specifications: HS Code: 7403.11 | Brand: EximNext | Material: Electrolytic Copper Cu 99.9999% (6N) | Grade/Type: 6N (Six Nines) Ultra-Pure Copper | Purity/Composition: Cu 99.9999% min, with trace impurity levels controlled per ASTM B370 or equivalent standard | Forms Available: Ingot, pellets, rod, back plate, and copper alloy variants (5N, 6N, 7N grades available) | Standard: ASTM B370, JIS H2123, or buyer's specification upon request | Application: Semiconductor manufacturing, electronics, high-purity plating, vacuum electronics, and specialized alloy production | Packaging: Nitrogen-sealed or vacuum-packed inner PE bag, outer cardboard or wooden crate for export-grade protection | Origin: Subject to supplier inventory (facilities include large-scale cleanroom-capable workshops)
Supply & Ordering: Minimum Order Quantity: 1 Bags
HS Code: 7403.11 — classified under Metal & Metal Products.
Ideal for: Importers, wholesalers, distributors, and manufacturers looking for quality metal & metal products products with verified suppliers and competitive pricing on EximNext.
| HS Code | 7403.11 |
| Brand | EximNext |
| Material | Electrolytic Copper Cu 99.9999% (6N) |
| Grade/Type | 6N (Six Nines) Ultra-Pure Copper |
| Purity/Composition | Cu 99.9999% min, with trace impurity levels controlled per ASTM B370 or equivalent standard |
| Forms Available | Ingot, pellets, rod, back plate, and copper alloy variants (5N, 6N, 7N grades available) |
| Standard | ASTM B370, JIS H2123, or buyer's specification upon request |
| Application | Semiconductor manufacturing, electronics, high-purity plating, vacuum electronics, and specialized alloy production |
| Packaging | Nitrogen-sealed or vacuum-packed inner PE bag, outer cardboard or wooden crate for export-grade protection |
| Origin | Subject to supplier inventory (facilities include large-scale cleanroom-capable workshops) |
6N Copper refers to high-purity electrolytic copper with 99.9999% purity, widely used in semiconductor manufacturing, aerospace, and advanced electronics. This grade meets rigorous specifications for ultra-clean applications including copper back plates, precision rods, and pellets for thin-film deposition. As a key raw material in the global electronics supply chain, 6N copper is traded internationally and subject to refined copper HS codes. Suppliers typically offer 5N, 6N, and 7N grades to meet varying purity demands from research-grade to industrial-scale procurement.
| 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 |
6n Copper Materials is available for wholesale import from Cowin Semiconductor Materials ( Ningbo) Co., Ltd., a verified Supplier based in China. The current FOB price is 28. Minimum order quantity starts at 1 Bags. HS Code: 7403.11 — used for customs classification and import duty calculation. Key product specifications include 7403.11, EximNext, Electrolytic Copper Cu 99.9999% (6N).
Active buying requirements from importers looking for Metal & Metal Products
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When sourcing 6n Copper Materials for your business, securing the right balance of quality and cost is essential. Cowin Semiconductor Materials ( Ningbo) Co., Ltd., a verified supplier based in China, offers this product with key specifications including 6N (Six Nines) Ultra-Pure Copper, Cu 99.9999% min, with trace impurity levels controlled per ASTM B370 or equivalent standard, and Ingot, pellets, rod, back plate, and copper alloy variants (5N, 6N, 7N grades available). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $28/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7403.11, making it a staple in the Copper sector with strong demand from importing countries worldwide.
Importing 6n Copper Materials requires careful attention to shipping logistics, customs compliance, and secure payment terms. Cowin Semiconductor Materials ( Ningbo) 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 7403.11 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.
Finding trustworthy partners is the foundation of successful importing. The supplier of this 6n Copper Materials 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 Copper category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Importing 6n Copper Materials 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 7403.11 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for 6n Copper Materials from Cowin Semiconductor Materials ( Ningbo) Co., Ltd. is $28/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 Cowin Semiconductor Materials ( Ningbo) Co., Ltd. through EximNext.
The supplier, Cowin Semiconductor Materials ( Ningbo) Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for 6n Copper Materials. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, 6n Copper Materials is classified under HS Code 7403.11. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import 6n Copper Materials from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Cowin Semiconductor Materials ( Ningbo) Co., Ltd.. Ensure you have the necessary import licenses for Copper products in your destination country.
Yes, Cowin Semiconductor Materials ( Ningbo) 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.
The key specifications for 6n Copper Materials supplied by Cowin Semiconductor Materials ( Ningbo) Co., Ltd. include 6N (Six Nines) Ultra-Pure Copper, Cu 99.9999% min, with trace impurity levels controlled per ASTM B370 or equivalent standard, and Ingot, pellets, rod, back plate, and copper alloy variants (5N, 6N, 7N grades available). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Cowin Semiconductor Materials ( Ningbo) Co., Ltd. offers 6n Copper Materials with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
6n Copper Materials is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Cowin Semiconductor Materials ( Ningbo) Co., Ltd. through our platform.
Cowin Semiconductor Materials ( Ningbo) Co., Ltd. maintains international quality certifications. These ensure that the 6n Copper Materials meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Cowin Semiconductor Materials ( Ningbo) Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
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 Cowin Semiconductor Materials ( Ningbo) Co., Ltd..
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