Kofinar Ruwa na Ma'adin an amfani da su don haɗawa gargadi masu mahimmanci a cikin yankin raguwa don nuna kewayon kayayyaki. Zhongyu Dingli ya gabata a kofinar ruwa mai tsusun yawa , an kirkasa shi tare da kayayyaki mai kyau don baka wani yanki mai yawa da alkarra mai tsauri.
Aikin: Ma'adin, ganye, rora da doro, aladura, kayan aiki, kwal, da sauran sarayen kayayyakin irin
Taswira: 40–3000 t/h
Tsawon Kofina: 400–1600 mm