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To encourage the development of distributors and agents, PDKJ will offer a range of preferential policies and support measures Read More

PDKJ customized an automatic four-point linkage welding machine for automotive component manufacturing, designed for shock absorber connecting rod welding. The system integrates automated positioning, clamping, and synchronized four-point welding to improve weld consistency, reduce manual operations and rework, and increase production efficiency. Read More

Learn the technology and working principle of spot welding machines, including welding current, resistance heat, electrode pressure, welding time, weld nugget formation, and cooling. This guide explains how spot welding works, the main types of spot welders, factors affecting weld quality, and how to select the right equipment for different materials, thicknesses, production volumes, and automation requirements. It also compares AC spot welding machines, medium frequency inverter spot welders, and capacitor discharge spot welders, while explaining why actual workpiece sample testing is important before equipment selection. PDKJ is a professional welding machine manufacturer offering resistance spot welding equipment, medium frequency inverter spot welders, capacitor discharge spot welders, and customized automated welding solutions. Free welding process evaluation and sample testing are available to help manufacturers select the right spot welding solution. Read More

PDKJ offers an air-cooled handheld laser welding machine with flexible operation, efficient cooling, and stable welding performance. Limited-time promotion: Buy 2, Get 1 Free. Read More

Energy storage spot welder vs. medium frequency spot welder: learn the differences in working principles, welding characteristics, and application scenarios. This guide explains when to choose an energy storage spot welding machine for small metal components, thin materials, electronic parts, and precision welding applications, and when a medium frequency inverter spot welder is more suitable for high-volume production, multi-point welding, sheet metal fabrication, automotive components, new energy products, and automated welding lines. The article also explains how material, thickness, welding point quantity, production volume, welding cycle, weld strength, appearance requirements, and automation level affect equipment selection. PDKJ provides energy storage spot welders, medium frequency inverter spot welders, automated resistance welding systems, and customized welding solutions, with free welding process evaluation and sample testing to help manufacturers select the right equipment Read More

Laser welding machine power is not simply a case of “the higher, the better.” This guide explains how to select the right laser welding power based on material, thickness, weld structure, welding speed, production cycle, and product quality requirements. Learn the three hidden drawbacks of blindly choosing an oversized laser welding machine, including higher equipment investment without proportional productivity gains, increased process-matching challenges, and potentially inefficient equipment utilization. The article also explains why insufficient laser power can create its own problems and provides practical guidance for selecting 1,000W, 1,500W, 2,000W, 3,000W, or higher-power laser welding equipment. PDKJ provides handheld, air-cooled, water-cooled, automated, and robotic laser welding solutions, along with free welding process evaluation and sample testing to help manufacturers select laser power based on actual workpieces and production requirements. Read More