Some scholars divide the bronze age from Shang and Zhou Dynasties to Warring States Period in China into four stages: heyday, decline, revival and decline. Some scholars also divide this period into five stages: pre-Yin Shang, post-Yin Shang, western circulation, pre-Eastern Zhou and post-Eastern Friday. China bronze culture has its own characteristics and styles, which can be divided into different regional types. China entered the Bronze Age and generally experienced several different stages of development. Early days. Represented by Erlitou culture in Yanshi, Henan Province (see Erlitou site), it dates from about 2080 BC to 65438 BC+0580 BC.