... and is widely used in hydraulic power plant. Injection Molding Machine.3. Machinery complicated equipment repair parts and restore wear ... mold, die-casting, pressure casting dies, metal products, machine spare parts and other tools.2. Suitable defect: Pin holes ... holes, pin holes, foundry parts2. Weld big machine holes, small defects, like machine guide track, big mould, 3. Comparsion between ...