Changzhou zinthu Njinga Co., Ltd unakhazikitsidwa mu 2010, ndi awiri zomera zotsimikizira. kupanga ake kuchitiridwa pachaka pa mamiliyoni 2, antchito mwini 200 50000 lalikulu mita nyumba yosungiramo katundu. Zikuyenera 1 ofesi European nthambi ndi 2 Offices kunja ku China.