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HANGAO Laser Welding Technology — Weld Quality Defines Core Competitiveness I. Industry Background: Transition from Traditional Welding to Precision Laser Welding As manufacturing evolves toward intelligence and high-end applications, welding technology has become a crucial part of modern metal forming.

I. Introduction: Global Tube & HVAC Industry Transformation The global tube and welding industry is entering a decisive stage of transformation. For decades, copper pipes dominated HVAC systems due to their conductivity and workability. Yet the challenges of rising raw material costs, volatile global supply chains, and increasing environmental regulations have forced manufacturers to look for smarter and greener alternatives.