Iminyaka engaphezu kwengu-19, i-Guangzhou Teyu Electromechanical Co., Ltd.(eyaziwa nangokuthi i-S&I-A Teyu) yibhizinisi elisezingeni eliphezulu elinobungani nemvelo elasungulwa ngo-2002 futhi belizinikele ekuklameni, R.&D kanye nohlelo lwesiqandisi sezimboni. Indlunkulu ithatha indawo engu-18,000 square metres, futhi inabasebenzi ababalelwa ku-350. Ngomthamo wokuthengisa wonyaka wesistimu yokupholisa efinyelela kumayunithi angama-80,000, umkhiqizo udayiselwe amazwe angaphezu kuka-50 nezifunda.
S&Uhlelo lokupholisa lwe-Teyu lusetshenziswa kakhulu emikhiqizweni eyahlukene yezimboni, ezimbonini zokucubungula i-laser kanye nezimboni zezokwelapha, njengama-laser anamandla amakhulu, ama-spindles anesivinini esikhulu apholile ngamanzi, amathuluzi ezokwelapha kanye neminye imikhakha yobungcweti. S&Isistimu yokulawula izinga lokushisa enembile kakhulu ye-Teyu iphinde inikeze izixazululo zokupholisa eziqondiswe kumakhasimende zezinhlelo zokusebenza ezisezingeni eliphezulu, njenge-picosecond ne-nanosecond lasers, ucwaningo lwesayensi yebhayoloji, ukuhlola kwe-physics nezinye izindawo ezintsha.
Ngamamodeli aphelele, i-S&Uhlelo lokupholisa lwe-Teyu lusetshenziswa kabanzi kuyo yonke imikhakha futhi selusungule isithombe esihle kakhulu somkhiqizo embonini ngokulawula okunembile, ukusebenza kobuhlakani, ukusetshenziswa kokuphepha, ukongiwa kwamandla kanye nokuvikela imvelo, okwaziwa ngele-"lndustrial Chiller Expert"