Kwa zaka zopitirira 22, Guangzhou Teyu Electromechanical Co., Ltd. (yomwe imadziwikanso kuti S&A Chiller) ndi bizinesi yokonda zachilengedwe yomwe idakhazikitsidwa mu 2002 ndipo yakhala ikudzipereka pakupanga, R&D ndi kupanga makina opangira firiji m'mafakitale. Likululi lili ndi malo okwana 30,000 square metres, ndipo lili ndi antchito pafupifupi 500. Ndi kugulitsa kwapachaka kwa makina ozizirira mpaka mayunitsi 160,000, malondawa agulitsidwa kumayiko ndi zigawo zopitilira 100.
S&A Dongosolo lozizira la Chiller limagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana opanga mafakitale, kukonza laser ndi mafakitale azachipatala, monga ma lasers amphamvu kwambiri, ma spindles othamanga kwambiri amadzi, zida zamankhwala ndi madera ena akatswiri. S&A Chiller ultra-precision control control system imaperekanso njira zoziziritsira zomwe zimatsata makasitomala pazogwiritsa ntchito kwambiri, monga picosecond ndi nanosecond lasers, kafukufuku wa sayansi yachilengedwe, kuyesa kwafizikiki ndi madera ena atsopano.
Ndi zitsanzo zonse, S&A Kuzizira kwa Chiller kumagwiritsidwa ntchito mochulukirachulukira m'magawo onse ndipo yakhazikitsa chithunzithunzi chabwino kwambiri pamakampani poyendetsa bwino, kugwiritsa ntchito luntha, kugwiritsa ntchito chitetezo, kuteteza mphamvu ndi kuteteza chilengedwe, zomwe zimadziwika kuti "lndustrial Chiller Expert".