Theko ea 'maraka oa sebaka e ile ea nyoloha hanyane, mme Tangshan billet e ile ea etella pele ho nyoloha ho tloha mafelong a beke.Har'a bona, sepakapaka sa khoebo marakeng oa tšepe ea kaho se ntlafetse haholo, 'me tlhokahalo ea ho qetela le e nahanang e eketsehile.Theko ea Beijing le Tianjin e batla e le tlase, 'me theko ea kantle e batla e phahame.Palo ea thekiso Chaena Bochabela e eketsehile haholo ha e bapisoa le bekeng e fetileng.Leboa la China le Bochabela la China ba tšepe ea lakane li sebelitse hantle, ha libaka tse ling li ne li batla li lekana.
(Haeba u batla ho tseba haholoanyane ka litaba tsa indasteri ho Steel Purlin, u ka ikopanya le rona ka nako efe kapa efe)
Kajeno, theko ea kakaretso ea 'maraka oa thepa ea mohaho e fetoha e matla,' me ho hloka botsitso ka kakaretso nakong e tlang ho matlafala.Hona joale, lehlakore la tlhokahalo ea 'maraka le lokolloa butle-butle, bahoebi ba tsamaisa haholo-holo,' me liphetoho tsa theko ea nakoana li fokotsehile.E lebelletsoe ho matha ka tšohanyetso hosane.
(Ho ithuta haholoanyane ka phello ea lihlahisoa tse khethehileng tsa tšepe, tse kang Galvanized Purlins, u ka ikutloa u lokolohile ho ikopanya le rona)
Litheko tsa kajeno tsa boemo ba lehae li ile tsa lula li tsitsitse ebile li kopantsoe, 'me khoebo e ne e amoheleha.E tšehetsoa ke ho phahama ha coke qetellong ea thepa e tala, theko ea letheba e ile ea khaotsa ho theoha le ho tsitsisa.Billet e ile ea phahama hape ka li-yuan tse 20 ho isa ho tse 4,550 mafelong a beke.E ntse e matha butle kajeno.Theko ea billet ea tšepe e koetsoe ho 4,500 yuan pele ho mokete.Theko ea hona joale e haufi le theko ea polokelo ea mariha pele ho matsatsi a phomolo, kahoo lisebelisoa tsa 'maraka li matla haholo.Boikemisetso ba ho reka theko bo matla, phello ea maemo a tšohanyetso a kantle e se e sirelelitsoe, 'me butle-butle mmaraka o fetohile hore o shebane le motheo.Haufinyane, hoa hlokahala ho tsoela pele ho ela hloko liphetoho tsa phepelo le tlhokahalo le ts'ebetsong ea merero ea moralo oa maano.Ka nako e khuts'oane, ho feto-fetoha ha maemo e tla ba eona khokahanyo e kholo.
(Haeba u batla ho fumana theko ea lihlahisoa tse khethehileng tsa tšepe, tse kang Galvanized C Purlins, u ka ikopanya le rona bakeng sa quotation ka nako leha e le efe)