Unyanzvi hutsva
Kubudirira
Ningbo Joiwo Explosion-proof Science & Technology Co., Ltd inonyanya kupa masevhisi akabatanidzwa emafoni eindasitiri, mavhidhiyo intercom systems, public broadcasting system, emergency voice communication system nedzimwe nzira dzekukurukurirana dzeindasitiri. Inopawo masevhisi ekutengesa nekutengesa zvigadzirwa zvakasiyana-siyana, zvinosanganisira zvigadzirwa zveIT, internal emergency communication systems, maindasitiri, maindasitiri, mafoni asingaputike, mafoni asingapindi mamiriro ekunze, tunnel fiber optic telecom broadcasting systems, integrated pipeline corridor fiber optic telecoms, visual emergency telespatching communication systems, network products, monitoring products, etc.
Zvigadzirwa zveJoiwo zvinosangana neATEX, CE, FCC, ROHS, ISO9001, nedzimwewo mitemo yepasi rose, zvichishandira nyika dzinopfuura 70 pasi rose. Nekugadzirwa kwemukati medu kwezvikamu zvinodarika 90% zvezvikamu zvikuru, tinovimbisa kuti zvinhu zvedu zvine mhando, kugadzikana, uye kuvimbika, tichipa basa rimwe chete kubva pakugadzira nekubatanidza kusvika pakuiswa nekugadzirisa.
Basa Rokutanga
Mugadziri wemaspika akagadzirwa akakosha kana sisitimu yemaspika yemuindasitiri kana PA ichifanira kurarama neruzha, mamiriro ekunze, kudedera, uye zvipingamupinyi zvekuchengetedza. Unyanzvi hwekugadzira hunowedzera kujeka kwemaacoustic, dziviriro yenzvimbo, uye kuenderana kwesisitimu, izvo zvinonyanya kukonzera kutaurirana kweindasitiri kwakavimbika...
Kuti uise sipika isingapindi mamiriro ekunze yesystem yePA yespika yekunze, tanga wasimbisa nzvimbo yekuisira, chiyero chekuvhara, uye nzira yetambo. Wobva waisa bracket zvakanaka, vhara nzvimbo yega yega yekupinda, sunga waya yetambo zvinoenderana nevoltage yesystem, wobva wapedzisa nekuyedza polarity uye kunzwisisika....