Re hlahisa Welding ea Botlolo ea Gas Sizes Welding ho tsoa Shanghai Lianfeng Gas Co., Ltd., moetsi ea ka sehloohong, mofani oa thepa le feme China. Lihlahisoa tsa rona tsa ho tjheseletsa boholo ba botlolo ea khase li etselitsoe ho fihlela litlhoko tse fapaneng tsa litsebi tsa ho cheselletsa, ho fana ka mohloli o tšepahalang le o tsitsitseng oa khase bakeng sa lits'ebetso tse fapaneng tsa welding. Re fana ka mefuta e mengata e fapaneng ea boholo ba botlolo ea khase ho amohela lits'ebetso tse fapaneng tsa welding le litlhoko tsa mosebetsi. Hore na o hloka libotlolo tse nyane, tse nkehang tsa khase bakeng sa merero ea setšeng kapa libotlolo tse kholo, tse nang le bokhoni bo phahameng bakeng sa ts'ebetso ea li-welding tsa indasteri, re na le tharollo e nepahetseng bakeng sa hau. Lihlahisoa tsa rona li entsoe ka maemo a holimo ka ho fetisisa, ho netefatsa polokeho, katleho, le nako e telele. Shanghai Lianfeng Gas Co., Ltd., re utloisisa bohlokoa ba ho ba le lisebelisoa tse nepahetseng bakeng sa mosebetsi, ke ka lebaka leo re ikemiselitseng ho fana ka tharollo ea boholo bo phahameng ba botlolo ea khase ho bareki ba rona. Ka boiphihlelo ba rona bo pharaletseng ba indasteri le boiphihlelo, o ka re tšepa re le molekane oa hau ea tšepahalang bakeng sa litlhoko tsohle tsa hau tsa khase ea welding.