![kuzirala kwa laser  kuzirala kwa laser]()
Sabata yatha, wogwiritsa ntchito wochokera ku United States adalemba imelo ku S&A Teyu. Mu imelo yake, adanena kuti adagula angapo S&A Teyu water chillers CW-6100 kuti aziziziritsa ma projekiti a laser phosphor, koma samadziwa kuti ndi sing'anga yamadzi iti yomwe idalimbikitsidwa kuti igwiritsidwe ntchito ndipo sanafune kukula kwa bakiteriya m'madzi amadzimadzi.
 Sing'anga yamadzi ndi chimodzi mwazinthu zofunika kwambiri zomwe zimagwirizana ndi kuziziritsa kwa chiller chamadzi mufiriji. Potengera nkhaniyi, tinamupatsa malangizo otsatirawa.
 Choyamba, gwiritsani ntchito madzi oyera osungunuka kapena madzi oyeretsedwa ngati sing'anga yamadzimadzi. Madzi amtunduwu amatha kuchepetsa kwambiri kukula kwa mabakiteriya ndikupewa kutsekeka munjira yamadzi.
 Kachiwiri, ndi nyengo yachisanu ndipo malo ambiri ku US atsika kale kufika pansi pa 0 digiri Celsius. Pofuna kupewa sing'anga madzi S&A Teyu recirculating madzi ozizira CW-6100 kuzizira, akhoza kuwonjezera odana mufiriji mu sing'anga madzimadzi koma osati kwambiri, chifukwa odana mufiriji ndi dzimbiri. Chifukwa chake, anti-freezer iyenera kuchepetsedwa molingana ndi malangizo.
 Pankhani yopanga, S&A Teyu adayika zida zopangira zoposa miliyoni miliyoni za RMB, kuwonetsetsa kuti njira zingapo zoyambira pazigawo zazikuluzikulu (condenser) zamafakitale zimawotcherera ndi kuwotcherera; 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; kukhudzana ndi ntchito yogulitsa pambuyo pogulitsa, zonse S&A zozizira zamadzi za Teyu zimalembedwa ndi kampani ya inshuwaransi ndipo nthawi ya chitsimikizo ndi zaka ziwiri. 
![sa refrigeration water chiller CW 6100  sa refrigeration water chiller CW 6100]()