Accurate Laser proudly presents the revolutionary air-cooled 4-in-1 laser welding machine series HD21/HD31. Engineered for ultimate mobile operations, this lineup features a fully integrated air-cooled structure that eliminates bulky external water chillers entirely, making it the ideal solution for outdoor construction and mobile workshop applications.Intelligent Integrated DesignThe wire feeder is fully built into the unit, cutting the overall machine size by 40%. Equipped with an ultra-light 0.65kg welding torch, it drastically reduces wrist strain and delivers all-day operational comfort during prolonged work sessions.All-in-One 4-Function CapabilityOne-touch switching between four core modes: welding, surface cleaning, cutting, and weld seam cleaning. The system comes preloaded with 75 sets of expert process parameter packages, enabling complete beginners to produce professional-quality welds independently in just 30 minutes.Precise Control & Comprehensive SafetyFitted with a control system supporting 19 languages for seamless global operation. Original high-transmittance protective lenses and focusing systems are adopted to guarantee zero energy loss.Reliable Build & After-Sales SupportConstructed with a reinforced 1.5mm machine frame, every unit undergoes a 72-hour aging test before factory release. We guarantee a 36-hour closed-loop after-sales service response and 24-hour express spare parts delivery via DHL. Perfectly suited for kitchenware, furniture, and automotive sheet metal manufacturing industries.