GNEE recently welcomed a delegation of important industrial clients from Indonesia for a visit and inspection. This cooperation has yielded substantial results, with both parties formally signing a specialized procurement agreement for C70600 copper-nickel alloy heat exchanger tubes, marking a critical step for GNEE in the field of industrial material applications in tropical regions.
The Indonesian delegation conducted an in-depth inspection of GNEE's production base, systematically examining the modern production lines and stringent quality control systems. From raw material refining to finished product testing, and from process control to technological innovation, every stage showcased GNEE's professional expertise in the manufacturing of copper-nickel alloy materials. The corrosion resistance, thermal conductivity, and processing details of the C70600 alloy tubes were the focal points of technical exchange between both parties, with the material's ability to withstand long-term use in hot and humid marine environments being the client's most valued aspect.
In response to Indonesia's unique tropical marine climate conditions, GNEE provided a detailed product solution. The chemical composition control, microstructure optimization, and surface treatment technology of the C70600 copper-nickel alloy were meticulously designed to ensure the product's long-term stable performance in high-temperature, high-humidity, and saline environments. The technical teams from both sides reached a deep consensus on heat exchanger design optimization, service life assessment, and maintenance solutions, laying a solid foundation for future long-term cooperation.
The comprehensive advantages of C70600 copper-nickel alloy tubes in terms of seawater corrosion resistance, anti-biofouling properties, and heat exchange efficiency make them the optimal choice for fields such as marine engineering, energy and power, and chemical equipment. The signing of this order further validates the reliable performance of GNEE's products under complex working conditions, highlighting the company's leading position in the research, development, and manufacturing of specialty alloy materials.
As a professional manufacturer of copper and copper alloy materials, GNEE is committed to providing high-quality copper product solutions to global clients. The company's product range covers multiple categories, including tubes, plates, bars, wires, and foils, which are widely used in fields such as energy and power, transportation, marine engineering, and equipment manufacturing. Through continuous technological innovation and strict quality management, GNEE is becoming a trusted partner in the international industrial material supply chain.
Our product range
| 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 |
