What is the development process of lost wax casting?

Lost wax casting is a high precision casting method for casting and carving complex objects. China is the first country in the world to invent lost wax casting. According to the literature, the earliest bronze wares were cast by lost wax method in the Tang Dynasty. Tang Yaohui, written by wang pu, Prime Minister of the Northern Song Dynasty, records that during the Kaiyuan period of the Tang Dynasty, Bao Tong in Kaiyuan was cast with wax molds, which is the earliest record of wax loss method in China. According to the investigation of bronze objects, 1979 The bronze forbidden unearthed from the tomb of Lingyinzi of Chu State in Xichuan County, Henan Province, the sides and edges of the bronze forbidden were cast into interwoven mussel nets to enrich the country and enrich the people, and the beautifully carved holes were cast by lost wax method. According to textual research, Zi Geng died in 552 BC, and its relative age should belong to the late Spring and Autumn Period. This is the earliest bronze ware found in China that was cast by lost wax method. Its discovery greatly advanced the start time of casting bronzes by lost wax method in ancient China, thus occupying a leading position in the world.