Uruganda rwa Duobao rwo mu Ntara ya Juancheng, Umujyi wa Heze, Intara ya Shandong rwashinzwe mu 2017. Iyi sosiyete ikora cyane cyane imisatsi y’abagabo n’abagore, harimo inshinge zuzuye inshinge, imashini ya mesh 60-mesh, 60-mesh biologiya-spiral wig, 30-mesh spiral wig, na mesh 60-mesh.
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