Supply & Demand

Main grades: 70-1, 77-2; Production process: copper ingot extrusion → drawing → annealing → forming;Performance: Resistant to seawater corrosion (resistant to marine organism attachment), impact-resistant, suitable for high salt spray environments Key Projects: CSSC, Jiangnan Shipbuilding Application: Ship seawater cooling/drain pipes, offshore platform pipes, naval vessel high-pressure YouTube

Maingrades: TP2, TU1; Production process: Micro-drawing of copper tube (inner diameter 0.5 - 5mm) → Precision sizing → Cutting → Inner wall cleaning treatment; Performance: High dimensional accuracy (±0.01mm), Stable flow, Low temperature resistance (no brittle fracture at -40°C) Key Projects: Midea, Gree, Danfoss Application: Medical infusion needle catheter, air conditioner throttle tube, instrument pressure measuring tube

Main grades: B10, B30; Production process: copper ingot extrusion → drawing → annealing → forming; Properties: resistant to acid and alkali corrosion (resistant to 5% H₂SO₄ solution corrosion), tensile strength ≥ 350 MPa, high surface finish Key Projects: CSSC, Jiangnan Shipbuilding Application: Marine engineering oil pipelines, chemical corrosion-resistant pipes, heat exchanger tube bundles