350A/500A 45mm Contact Tip China Factory Wholesale Welding Torch Contact Tip for Welding

350A/500A 45mm Contact Tip China Factory Wholesale Welding Torch Contact Tip for Welding. High Conductivity Material: Made from high-conductivity copper or chrome-zirconium copper alloys for optimal performance. Precise Bore Machining: Internal bore precisely machined to match wire diameters like 0.9mm, 1.0mm, and 1.2mm. Wide Thread Compatibility: Features standard M6/M8 threads compatible with Bernard, Miller, Lincoln Electric, and other brands. Comprehensive Certifications: Certified with GS, RoHS, CE, and ISO9001 standards for quality and safety assurance. Full Customization Options: Offers full customization, minor customization, and flexible options based on samples or designs. 100% Quality Inspection: Every finished product undergoes visual and functional inspection before shipping. Fast Lead Time: Peak and off-peak season lead times are both within 15 workdays. OEM and ODM Services: Professional OEM and ODM services available for custom branding and manufacturing needs.