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Mabapi le rona

E Thehiloe ka 2013, Donguan Kinda karaoke set Helmets Co., Ltd.ke khoebo hi-theknoloji khetheha, ka R & D, tlhahiso le thekiso ea lera karaoke set le lihlahisoa tse loketseng. Tumellanong le mohopolo oa "ntlha e qalang e phahameng, theknoloji e phahameng le litekanyetso tse phahameng", re hlahisa ka mokhoa o ts'oanelang, ho cheka le ho monya theknoloji e tsoetseng pele ka ho fetesisa le ho arohanya lapeng le kantle ho naha, ho nts'etsapele lisebelisoa tse ncha tse etelletseng pele sechabeng, mahlale a morao-rao le ts'ebetso le batho ba bangata ba ikemetseng litokelo tsa thepa ea kelello le ho ba setho sa Membrane Industry Association ea Chaena.

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Lihlahisoa tse Ncha