Rea u amohela ho Shanghai Lianfeng Gas Co., Ltd., moetsi ea ka sehloohong, mofani oa thepa, le fektheri ea boholo bo phahameng ba libotlolo tsa welding China. Mefuta ea rona e pharalletseng ea boholo ba libotlolo tsa welding e etselitsoe ho fihlela litlhoko tse fapaneng tsa bareki ba rona, ho fana ka tharollo e tšepahalang le e sebetsang bakeng sa lits'ebetso tsohle tsa welding. Shanghai Lianfeng Gas Co., Ltd., re utloisisa bohlokoa ba ho sebelisa thepa e nepahetseng bakeng sa ho cheselletsa, ke ka lebaka leo re fanang ka khetho e pharaletseng ea boholo ba botlolo ea welding ho lumellana le litlhoko tse fapaneng. Hore na o hloka botlolo e nyane, e nkehang habonolo bakeng sa mesebetsi ea welding sebakeng sa marang-rang kapa botlolo e kholoanyane bakeng sa lits'ebetso tsa indasteri, re na le tharollo ea ho fihlela litlhoko tsa hau. Botlolo ba rona ba libotlolo tsa welding bo etsoa ka maemo a holimo, ho netefatsa ho tšoarella, ho ts'epahala le polokeho. Botlolo e 'ngoe le e' ngoe e etselitsoe ho mamella mathata a ho tjheseletsa le ho fana ka tshebetso e tsitsitseng, e leng se etsang hore e be khetho e nepahetseng bakeng sa litsebi le batho ba ratang ho itlosa bolutu ka ho tšoana. Tšepa Shanghai Lianfeng Gas Co., Ltd. bakeng sa litlhoko tsohle tsa hau tsa boholo ba botlolo ea welding 'me u be le phihlelo ea boleng le botšepehi bo re khethollang re le mofani oa thepa ea ka sehloohong indastering.