HG Laser e thehiloe ka 1997 mme ke e 'ngoe ea bahlahisi ba kholo ka ho fetisisa ba lisebelisoa tsa laser Chaena. Mefuta ea lihlahisoa tsa HG Laser e kenyelletsa mochini oa ho seha oa laser, mochini oa ho tjheseletsa oa laser, mochini oa ho tšoaea oa laser, sistimi ea kalafo ea mocheso oa laser le lisebelisoa tse amanang le eona.
Mabapi le tlhahiso, S&A Teyu e tsetetse lisebelisoa tsa tlhahiso tsa li-yuan tse fetang milione e le 'ngoe, e netefatsa boleng ba letoto la lits'ebetso ho tloha likarolong tsa mantlha (condenser) tsa chiller ea indasteri ho ea ho welding ea tšepe ea lakane; mabapi le thepa, S&A Teyu e thehile matlo a polokelo ea thepa metseng e meholo ea Chaena, e fokolitse haholo tšenyo e bakoang ke thepa e tsamaeang sebaka se selelele, le ho ntlafatsa ts'ebetso ea lipalangoang; mabapi le tšebeletso ea kamora thekiso, nako ea tiisetso ke lilemo tse peli.
