Dec 12, 2025 Leave a message

Russian Customers Visited And Signed An Order For C71500 Copper-nickel Tube Heat Exchangers.

GNEE, a leading manufacturer and global exporter of premium copper products, was pleased to host a distinguished delegation from Russia last week. The visit highlighted the strengthening partnership between both parties and successfully culminated in the signing of a significant contract for C71500 copper-nickel (CuNi) tubes intended for heat exchanger applications.

The Russian clients, representing a major enterprise in the industrial equipment sector, toured GNEE's corporate headquarters and advanced manufacturing facilities. The itinerary was designed to provide a comprehensive overview of GNEE's operational excellence, quality control processes, and extensive product capabilities across its core lines: copper tubes, sheets, plates, rods, wires, and foils.

"Our commitment to quality, reliability, and technical expertise is best demonstrated through firsthand experience," stated our Business Manager. "We were delighted to showcase our advanced copper-nickel alloy production lines. The discussions focused on the production processes and corrosion resistance of the C71500 alloy, which are crucial for demanding marine and industrial heat exchanger environments."

C71500 Copper Nickel Tube
70/30 CuNi Alloy Pipe
Heat Exchanger Copper Nickel Tube
Marine Grade Copper Nickel Alloy

The tour and subsequent technical meetings facilitated in-depth discussions on product specifications, international logistics, and after-sales support. The mutual understanding and trust established during this visit laid a solid foundation for reaching the final agreement.
The centerpiece of the visit was the formal signing of the procurement contract for C71500 copper-nickel tubes. Renowned for its excellent resistance to seawater corrosion, biofouling, and stress corrosion cracking, C71500 alloy is the material of choice for high-performance condenser and heat exchanger tubes. This order signifies more than just a transaction; it establishes a foundation for long-term cooperation.

C71500 Condenser Tube Supplier
High Strength CuNi 70/30 Tube
C71500 CuNi Welded Tube
Copper Nickel Alloy for Heat Exchangers

About GNEE:
GNEE is a specialized manufacturer and exporter of a comprehensive range of copper and copper-alloy products, including tubes, sheets/plates, rods/bars, wires, and foils. With a modern production base, stringent quality management systems, and a global sales network, the company serves diverse industries such as HVAC&R, automotive, electronics, construction, and industrial engineering. GNEE is dedicated to delivering value, innovation, and reliability to partners worldwide.

Product Category Main Products & Forms Common Specifications (Examples) Typical Applications
Copper & Copper Alloy Tubes • Straight Tubes
• Coiled Tubes
• Capillary Tubes
• Heat Exchanger Tubes (e.g., C71500 CuNi)
• Refrigeration Tubes
• OD: 3mm ~ 300mm
• Wall Thickness: 0.5mm ~ 15mm
• Standards: ASTM, EN, JIS, GB
• Tempers: Soft, Half-hard, Hard
• HVAC&R Systems
• Heat Exchangers & Condensers
• Plumbing & Water Supply
• Industrial Piping
• Automotive & Marine
Copper & Copper Alloy Sheets/Plates • Rolls / Coils
• Plain Sheets
• Plates
• Strips
• Thickness: 0.1mm ~ 100mm
• Width: Up to 1300mm
• Alloys: C11000, C10200, C27200, etc.
• Surface: Mill, Polished, Coated
• Roofing & Architectural Cladding
• Electrical Components
• Cookware & Decor
• Industrial Fabrication
• Chemical Equipment
Copper & Copper Alloy Rods/Bars • Round Rods/ Bars
• Square / Hexagonal Bars
• Flat Bars
• Forging Billets
• Diameter / Size: 3mm ~ 300mm
• Length: Custom (Straight or Coiled)
• Conditions: Drawn, Extruded, Hot-rolled
• Fasteners & Machined Parts
• Electrical Conductors
• Valves & Fittings
• Automotive Components
• Artistic & Structural Uses
Copper & Copper Alloy Wires • Bare Copper Wire
• Stranded Wire
• Tinned Copper Wire
• Alloy Wire (e.g., Brass, Bronze)
• Diameter: 0.05mm ~ 20mm
• Temper: Annealed, Hard-drawn
• Conductivity: Standard to High-purity
• Electrical Cabling & Wiring
• Windings & Transformers
• Welding Wire
• Mesh & Screens
• Craft & Jewelry
Copper & Copper Alloy Foils • Rolled Foils / Strips
• Electrolytic Foils
• Thickness: 0.01mm ~ 0.5mm
• Width: Custom (Up to 650mm)
• Surface: Standard, Treated
• Printed Circuit Boards (PCBs)
• Electromagnetic Shielding
• Flexible Heat Exchangers
• Decorative Laminates
• Battery Components

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