Shanghai Lianfeng Gas Co., Ltd ke moetsi ea ka sehloohong, mofani oa thepa, le feme ea liindasteri le likhase tse khethehileng Chaena. Moqomo oa rona oa khase o se nang letho ke tharollo ea boleng bo holimo, e tšepahalang bakeng sa ho boloka le ho tsamaisa likhase tse fapaneng tsa welding. Li-cylinders tsa rona li entsoe ka ho nepahala le ho ela hloko lintlha ho netefatsa polokeho le nako e telele. E entsoe ka thepa ea boemo bo phahameng, li-cylinders tsena li etselitsoe ho mamella maemo a thata a tikoloho ea li-welding. Hore na o sebetsa le MIG, TIG, kapa lits'ebetso tsa ho cheselletsa lithupa, lisilindara tsa rona tse se nang letho tsa khase li fana ka sekepe se phethahetseng bakeng sa likhase tsa hau. Ka moralo o boreleli le oa sejoale-joale, li-cylinders tsena li bonolo ho li tšoara le ho li tsamaisa, e leng se etsang hore e be khetho e phethahetseng bakeng sa ts'ebetso efe kapa efe ea welding. Shanghai Lianfeng Gas Co., Ltd., re ikemiselitse ho fana ka lihlahisoa tse finyellang litekanyetso tse phahameng ka ho fetisisa tsa boleng le polokeho. Tšepa boitseanape ba rona le boiphihlelo ba rona re le moetsi ea ka sehloohong oa khase ho u fa lisilindara tsa khase tse se nang letho tseo u li hlokang bakeng sa ts'ebetso ea hau. Ikopanye le rona kajeno ho ithuta haholoanyane ka lihlahisoa tsa rona le kamoo re ka fihlelang litlhoko tsa hau tse ikhethileng.