Discover how Joint Carbide Co., Ltd. manufactures their 450mm hardfacing YD Type CuZnNi composite welding rods in this detailed factory showcase. You'll see their advanced German five-axis CNC tool grinders in action, learn about their full-process production capabilities from raw materials to finished products, and understand how they maintain quality control with three-coordinate optical detectors. This walkthrough demonstrates why they've become China's largest rotary file production base, serving global markets with high-precision metalworking solutions.