The Longquan sword forging started from the late Spring and Autumn Period (770–476 BC) and has a history of more than 2,600 years. The traditional techniques of perfecting Longquan sword include exquisite materials, unique #craftsmanship, and distinctive regional characteristics. The Longquan sword undergoes more than 80 manufacturing processes. The most critical process is forging craftsmanship, which includes multiple folding and forging. A repeated fusion of gold, wood, water, fire, and earth