Tsim muaj xyoo 1994, Zhuhai Sanjin Industrial Co., Ltd yog nyob rau hauv qhov zoo nkauj Nanping Industrial Park hauv Zhuhai. Nws yog lub npe nrov thoob ntiaj teb kev lag luam koom nrog R&D, ntau lawm thiab muag cov nkauj karaoke ua haujlwm. Lub tuam txhab muaj zog lub zog kev, muaj lub siab tawv tsim R&D pab neeg thiab cov kws tshaj lij kev kho suab paj nruag pab pawg tsim khoom. Nws tau txais ntau lub teb chaws patents thiab tau txais ISO90001 zoo zog daim ntawv pov thawj.

Cov khoom lag luam suav nrog KTV karaoke tshuab, kov lub vijtsam, wireless microphone, kev tshaj lij kev tshaj lij, high-txhais DVR thiab thawj DVD karaoke tshuab, kev tsim qauv ntawm tib neeg, kev lag luam yooj yim thiab yooj yim thiab lub suab ua kom zoo nkauj yog qhov tseem ceeb ntawm cov khoom. Xa tawm mus rau Tebchaws Askiv, Fabkis, Russia, Hungary, Costa Rica, Colombia, United Arab Emirates, Is Nrias teb, Thaib, Nyab Laj, Philippines, Malaysia, North Kauslim thiab lwm lub tebchaws, nrog cov khoom zoo, kev pabcuam zoo meej, yeej kev qhuas ntawm domestic thiab cov qhua tuaj noj mov txawv teb chaws.