Masu ƙera kayan haɓaka sinadarai da masu samar da mafita na aikace-aikace.
Samar da kayan gini da mafita ga abokan cinikin duniya.
Longou International Business (Shanghai) Co., Ltd an kafa shi a cikin shekara ta 2007 kuma yana cikin cibiyar tattalin arziki-Shanghai.Yana da wani gini sunadarai Additives manufacturer & aikace-aikace mafita samar da kuma sadaukar don samar da kayan gini & mafita ga abokan ciniki na duniya.