Mkpọtụ gburugburu ebe obibi dị egwu na-emerụ ntị anyị. Ya mere, ọ dị mkpa ịhọrọ muff ma ọ bụ ihe nchekwa nkwụnye iji belata ọkwa mkpọtụ. Mgbe ọkwa ụda karịrị decibel 85, anyị ga-eyi ihe nchekwa ihe.Ihe karịrị afọ 18 nke ntinye aka na nchedo ntị, YUNBOSHI Technology na-enye ahịrị ntị zuru oke.

N'ịbụ onye ọkachamara na-ahụ maka ihe ngwọta okpomọkụ na iru mmiri, YUNBOSHI TECHNOLOGY na-enye ụlọ nchekwa ihicha, yana ngwaahịa nchekwa, dị ka ntị muffs, kemịkalụ kemịkalụ maka ndị ahịa n'ụwa nile. YUNBOSHI TECHNOLOGY lekwasịrị anya na nyocha na mmepe nke teknụzụ na-achịkwa iru mmiri ya maka ọtụtụ ahịa na ọgwụ, eletrọnịkị, semiconductor na nkwakọ ngwaahịa. Anyị na-ejere ndị ahịa si mba 64 ozi dị ka Rochester--USA na INDE-India