Ka lilemo tse fetang 19, Guangzhou Teyu Electromechanical Co., Ltd.(eo hape e tsejoang e le S&A Teyu) ke khoebo e sebetsang hantle ka thekenoloji e phahameng e thehiloeng ka 2002 mme esale e ikemiselitse ho rala, R&D le ho etsa sistimi ea lihatsetsi tsa indasteri. Ntlo-kholo e nka sebaka sa lisekoere-mithara tse 18,000, 'me e na le basebetsi ba ka bang 350. Ka theko ea selemo le selemo ea thekiso bakeng sa sistimi e pholisa ho fihla ho li-unit tsa 80,000, sehlahisoa se rekisitsoe linaheng le libaka tse fetang 50.
S&A Sistimi ea ho pholisa ea Teyu e sebelisoa haholo mefuteng e fapaneng ea tlhahiso ea indasteri, ts'ebetso ea laser le indasteri ea bongaka, joalo ka li-lasers tse matla a phahameng, li-spindles tse pholileng ka metsi, lisebelisoa tsa bongaka le masimo a mang a litsebi. S&A Sistimi ea taolo ea mocheso e phahameng ka ho fetesisa ea Teyu e boetse e fana ka litharollo tsa ho pholisa tse shebaneng le bareki bakeng sa lits'ebetso tsa morao-rao tse kang picosecond le nanosecond lasers, lipatlisiso tsa saense ea baeloji, liteko tsa fisiks le libaka tse ling tse ncha.
Ka mefuta e felletseng, S&A Sistimi ea ho pholisa ea Teyu e na le ts'ebeliso e ntseng e eketseha ka bongata mafapheng 'ohle' me e thehile setšoantšo se setle sa khoebo indastering ka taolo e nepahetseng, ts'ebetso ea bohlale, ts'ebeliso ea polokeho, paballo ea matla le ts'ireletso ea tikoloho, e tsejoang ka "lndustrial Chiller Expert".