Nanjing Tongchang Environment Tech Co., Ltd. e thehiloe ka 2018, e Nanjing, Profinseng ea JiangSu, e Setsing sa Moruo sa Shanghai.Khoebo ea rona e kholo ke tlhahiso le thekiso ea lisebelisoa tsa ho hloekisa moea le metsi le lisebelisoa tsa tsona tse tšehetsang.