Ho hlahisa Air Liquide Welding Gas, sehlahisoa sa boleng bo phahameng ba khase ea indasteri ho tsoa Shanghai Lianfeng Gas Co., Ltd. Joaloka moetsi ea ka sehloohong, mofani oa thepa, le fektheri Chaena, re motlotlo ho fana ka khase ena ea pele ea ho cheselletsa e finyellang litekanyetso tse thata tsa indasteri. Khase ea rona ea welding e etselitsoe ho fana ka ts'ebetso e nepahetseng le ts'epahalo bakeng sa lits'ebetso tse fapaneng tsa welding, ho u fa kholiseho ea ho sebetsana le merero ea hau ka nepo le ka nepo. Hore na o sebetsa ka tšepe, aluminium, kapa lisebelisoa tse ling, khase ea rona ea ho cheselletsa e etselitsoe ho fana ka liphetho tse ikhethang, e leng se etsang hore e be khetho e holimo bakeng sa litšepe le baetsi ba masela. Ka boitlamo ba rona ba boleng le boqapi, re ikitlaelletsa ho fana ka tharollo e molemohali bakeng sa litlhoko tsa hau tsa khase ea indasteri. Tšepa Air Liquide Welding Gas ho tsoa Shanghai Lianfeng Gas Co., Ltd. ho phahamisa ts'ebetso ea ts'ebetso ea hau ea ho tjheseletsa.