Yakhazikitsidwa mu 1994, Zhuhai Sanjin Industrial Co., Ltd ili mu malo okongola a Nanping Industrial Park ku Zhuhai. Ndi kampani yotchuka padziko lonse lapansi yopanga R & D, kupanga ndi kugulitsa nyimbo zanyimbo zaluso. Kampaniyo ili ndi mphamvu zamaluso, ili ndi gulu la R & D lolimba mtima komanso gulu la akatswiri ojambula nyimbo. Iwo walandira eni luso ambiri dziko ndipo walandira ISO90001 khalidwe dongosolo chitsimikizo.

Zida zimaphatikizapo makina a karaoke a KTV, zenera logwira, maikolofoni opanda zingwe, zokulitsira akatswiri, DVR yodziwika bwino kwambiri ndi makina oyimbira a DVD, mapangidwe aumunthu, magwiridwe antchito, ntchito yosavuta komanso yabwino komanso zowonera bwino ndizofunikira kwambiri pamalonda. Zimatumizidwa ku United Kingdom, France, Russia, Hungary, Costa Rica, Colombia, United Arab Emirates, India, Thailand, Vietnam, Philippines, Malaysia, North Korea ndi mayiko ena, ndi zabwino kwambiri, ntchito yangwiro, adatamandidwa ndi zoweta ndi makasitomala akunja.