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From the heat exchangers in petrochemical refineries to the hydraulic lines inside earth-moving equipment, metal tubes quietly carry the fluids and gases that keep industrial supply chains alive.

Global demand for precision welded tube has grown at 5.2 percent CAGR since 2019, driven by solar racking, automotive lightweighting and high rise HVAC systems.

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.