TEYU S&A Chiller ndi wopanga chiller yemwe ali ndi zaka 23 zazaka zambiri pakupanga, kupanga ndi kugulitsa zoziziritsa kukhosi za laser . Takhala tikuganizira nkhani za mafakitale osiyanasiyana laser monga laser kudula, kuwotcherera laser, laser chodetsa, laser chosema, laser kusindikiza, laser kuyeretsa, ndi zina zotero.