Introduction to the ancient charcoal kiln: Suichang is the "Hometown of Bamboo Charcoal in China" which is rich in bamboo charcoal. This ancient charcoal kiln is the ruins of an earthen kiln for burning charcoal. Earth kiln is a commonly used process for burning charcoal. "Black charcoal" uses the flameout method inside the kiln, and "white charcoal" uses the flameout method outside the kiln.