Iminyaka engaphezu kwengu-19, i-Guangzhou Teyu Electromechanical Co., Ltd.(ephinde yaziwe ngokuthi S&A Teyu) iyibhizinisi elisebenziseka kalula eco-friendly elasungulwa ngo-2002 futhi belizinikele ekuklameni, ku-R&D nasekukhiqizeni uhlelo lwesiqandisi sezimboni. Indlunkulu ithatha indawo engu-18,000 square metres, futhi inabasebenzi ababalelwa ku-350. Ngomthamo wokuthengisa wonyaka wesistimu yokupholisa efika kumayunithi angama-80,000, umkhiqizo udayiselwe amazwe nezifunda ezingaphezu kuka-50.
S&A Uhlelo lokupholisa lwe-Teyu lusetshenziswa kabanzi embonini ehlukahlukene yokukhiqiza, ukucubungula i-laser kanye nezimboni zezokwelapha, njengama-laser anamandla amakhulu, ama-spindles anesivinini esikhulu apholile ngamanzi, imishini yezokwelapha kanye neminye imikhakha yobungcweti. S&A Isistimu yokulawula izinga lokushisa enembile kakhulu ye-Teyu iphinde inikeze izixazululo zokupholisa ezigxile kumakhasimende zezinhlelo zokusebenza ezisezingeni eliphezulu, njengamalaser e-picosecond ne-nanosecond, ucwaningo lwesayensi yebhayoloji, ukuhlola kwe-physics nezinye izindawo ezintsha.
Ngamamodeli abanzi, S&A Isistimu yokupholisa ye-Teyu inokusetshenziswa okubanzi ngokwandayo kuyo yonke imikhakha futhi isungule isithombe esihle kakhulu somkhiqizo embonini ngokulawula okunembile, ukusebenza kobuhlakani, ukusetshenziswa kokuphepha, ukongiwa kwamandla kanye nokuvikelwa kwemvelo, okwaziwa ngele-"lndustrial Chiller Expert".