Sebakeng sa kaho le tlhahiso, li-tubing tsa lisekoere tsa tšepe li hlahile e le karolo ea bohlokoa, 'me China e ipakile e le moetapele oa lefats'e lefapheng lena. E 'ngoe ea libapali tsa bohlokoa indastering ena keTianjin Minjie tšepeCo., Ltd., e thehiloeng ka 1998. Ka feme e pharallang e koahelang lisekoere-mithara tse fetang 70,000, e bohōle ba lik'hilomithara tse 40 feela ho tloha Xingang, e leng kou e kholo ka ho fetisisa karolong e ka leboea ea Chaena, k'hamphani e ntlafalitse ts'ebetso ea eona bakeng sa tlhahiso e ntle le ho romela thepa.

Tianjin Minjie e khethehile ka mefuta e fapaneng ealihlahisoa tsa tšepe, ho kenyelletsa le pele ho galvanizedlipeipi tsa tšepe,liphaephe tse nang le masenke a chesang,lipeipi tsa tšepe tse cheselitsoeng, mme haholoholo, sekwere lelipeipi tse khutlonnetsepa. Lihlahisoa tsena li bohlokoa lits'ebetsong tse fapaneng, joalo ka kaho, litšiea tsa terata, meaho ea sethopo le lithapo tsa matsoho. Ho tenyetseha hali-tubing tsa tšepe tse lisekoeree etsa hore e be khetho e ratoang bakeng sa litsebi tsa meralo le lihahi ka ho tšoana, kaha e ka etsoa ka mokhoa o ikhethileng ho fihlela litlhoko tse ikhethang tsa projeke.

Boitlamo ba k'hamphani ho boleng bo bonahala ho latela maemo a machaba, ho kenyelletsa GB, ASTM, DIN, le JIS. Ka setifikeiti sa boleng ba ISO9001 le lintlafatso tse tharo tse nang le tokelo ea molao-liphaephe tsa sekoti, lipeipi tsa mahetla le liphaephe tsa haeteroliki-Tianjin Minjie e netefatsa hore lihlahisoa tsa eona ha li kopane feela empa li feta litebello tsa indasteri.

Ho feta moo, bokaholimo bo qeta holi-tubes tsa tšepe tse lisekoeree ka hlophisoa ho latela khetho ea bareki, ho kenyelletsa le pele ho galvanized, hot-dip galvanized, electro-galvanized, black, painted, threaded, fatified, le socket finishes. Boemo bona ba ho ikamahanya le maemo bo lumella bareki ho khetha likhetho tse loketseng ka ho fetisisa bakeng sa lits'ebetso tsa bona tse ikhethileng, ho ntlafatsa ts'ebetso e akaretsang le boipiletso ba merero ea bona.

Qetellong, motsoako oa bokhoni bo tsoetseng pele ba tlhahiso, mefuta e mengata ea lihlahisoa tsa lihlahisoa, le boitlamo ba maemo a boleng ba Tianjin Minjie Steel Co., Ltd. e le moetapele oa phala ea tšepe ea lefatše lohle leli-tubing tsa tšepe tse lisekoerele 'maraka o motšo oa li-square tube, ho etsa hore lihlahisoa tsa Machaena li ts'oane le ho ts'epahala le boqapi.