He umanga hangarau matatau a Ningbo Mohai Fastener Co., Ltd. e whakauru ana i te R&D, te whakaputa, te hanga me te hoko i ngā herenga paerewa teitei. Nā te maha o ngā tau o te whakatipu hohonu i roto i te umanga herenga, kua whanake te kamupene hei umanga paerewa me ngā kaha ratonga mekameka ahumahi katoa nā runga i tōna māramatanga tika ki ngā au o te ahumahi me te haumi tonu ki te auahatanga hangarau. Kei te Rohe o Yongnian, te Tāone o Handan, te Porowini o Hebei te turanga whakaputa, e mōhiotia ana ko "Te Tāone Herenga o Haina", e whakamanamana ana ki ngā painga nui o ngā rōpū ahumahi me ngā whare tautoko kua whakapaitia.