Chitupa cheHurumende ------ Yison ine makore makumi maviri nemashanu eruzivo rwekugadzira muindasitiri yekuteerera, yapasa bvunzo yemusika, uye yakazivikanwa nehurumende, uye yakapa zvitupa zvakawanda zvinotiziva.
Chitupa chekunze-------Panyaya yekutumira kunze, isu tinofambisa kutengeswa kwevatengi, uye kuitira kuti tipe zvirinani kunze kwenyika, tinonyorera setifiketi nyowani yekuburitsa chigadzirwa gore rega rega.
Patent chitupa------Yison anga ari muindasitiri yeaudio kwemakore makumi maviri neshanu, tsvakiridzo yakazvimirira nekusimudzira, dhizaini yakazvimiririra, yakazvimirira mold kuvhurwa, yakazvimirira kugadzirwa, uye akawana zvinopfuura makumi mashanu zvitupa zvepatent, uye zvakare akagamuchira yakawanda yakanaka mhinduro. kubva kuvatengi.
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