Mtengo wa mpweya woziziritsa madzi wozizira womwe umazizira makina odulira laser okhala ndi mitu iwiri umasiyana kuchokera pa madola mazana angapo mpaka madola masauzande angapo. Mfundo yofunika kwambiri posankha mpweya wozizira madzi wozizira ndi kusankha mpweya woziziritsa madzi wozizira woperekera ndi katswiri pambuyo pa malonda ndi khalidwe lapamwamba la mankhwala. S&A Teyu mpweya woziziritsidwa wozizira madzi ungakhale chisankho chabwino.
Pankhani yopanga, S&A Teyu adayika zida zopangira yuan yopitilira miliyoni imodzi, kuwonetsetsa kuti njira zingapo zimachokera kuzinthu zazikuluzikulu (condenser) za mafakitale oziziritsa kukhosi mpaka kuwotcherera kwachitsulo; ponena za mayendedwe, S&A Teyu yakhazikitsa malo osungiramo katundu m'mizinda ikuluikulu ya China, atachepetsa kwambiri kuwonongeka chifukwa cha mayendedwe akutali a katunduyo, komanso kuwongolera magwiridwe antchito; pankhani ya pambuyo-malonda utumiki, nthawi chitsimikizo ndi zaka ziwiri.
