Yakagadzwa muna 1994, Zhuhai Sanjin Industrial Co., Ltd iri muNanping Industrial Park yakaisvonaka muZhuhai. Iri ibasa repasi rese rine mukurumbira rinopinda muR & D, kugadzirwa nekutengesa kwenziyo dzekaraoke nziyo. Iyo kambani ine simba rakasimba rehunyanzvi, ine yakashinga nzira itsva yeR & D timu uye nyanzvi yekugadzira mimhanzi yekugadzira timu. Iyo yawana akawanda emunyika patents uye yawana ISO90001 yemhando system chitupa.

Zvigadzirwa zvinosanganisira KTV karaoke muchina, inobata skrini, isina waya maikorofoni, gudzazwi yehunyanzvi, yakakwira-tsananguro DVR uye yekutanga DVD karaoke muchina, dhizaini dhizaini, iri nyore uye inoshanda mashandiro uye yakakwana odhiyo-inoonekwa mhedzisiro ndizvo zvinhu zvikuru zvechigadzirwa. Aivigirwa kuUnited Kingdom, France, Russia, Hungary, Costa Rica, Colombia, United Arab Emirates, India, Thailand, Vietnam, Philippines, Philippines, Malaysia, North Korea uye dzimwe nyika, pamwe yokuisvonaka, hwakakwana basa, akakunda kurumbidzwa mudzimba uye vatengi vekunze.