Pankhani yomanga ndi kupanga, machubu azitsulo a square atuluka ngati gawo lofunikira, ndipo China idadziyika ngati mtsogoleri wapadziko lonse lapansi. Mmodzi mwa osewera ofunika kwambiri pamakampani awa ndiTianjin Minjie ZitsuloCo., Ltd., yomwe idakhazikitsidwa mu 1998. Ndi fakitale yokulirapo yokulirapo kuposa ma 70,000 masikweya mita, yomwe ili pamtunda wa makilomita 40 kuchokera ku Xingang, doko lalikulu kwambiri kumpoto kwa China, kampaniyo yasintha ntchito zake popanga ndi kutumiza kunja.

Tianjin Minjie amagwira ntchito zosiyanasiyanamankhwala achitsulo, kuphatikizapo pre-galvanizedmapaipi achitsulo,otentha-kuviika kanasonkhezereka mapaipi,welded zitsulo mapaipi, ndipo makamaka, lalikulu ndimapaipi amakona anayi. Zogulitsazi ndizofunikira pazinthu zosiyanasiyana, monga zomangamanga, mizati ya mpanda, nyumba zotenthetsera kutentha, ndi ma handrails. Kusinthasintha kwasquare zitsulo machubuzimapangitsa kukhala chisankho chokondedwa kwa omanga ndi omanga mofanana, chifukwa amatha kusinthidwa mwazinthu zosiyanasiyana kuti akwaniritse zofunikira za polojekiti.

Kudzipereka kwa kampani pakuchita bwino kumawonekera potsatira miyezo yapadziko lonse lapansi, kuphatikiza GB, ASTM, DIN, ndi JIS. Ndi chiphaso cha ISO 9001 komanso zopanga zitatu zokhala ndi patent — mapaipi, mapaipi a phewa, ndi mapaipi a hydraulic — Tianjin Minjie imawonetsetsa kuti zogulitsa zake sizimangokwaniritsa komanso kupitilira zomwe makampani amayembekeza.

Komanso, pamwamba amamaliza amasikweya zitsulo machubuzitha kukhala zogwirizana ndi zomwe makasitomala amakonda, kuphatikiza malata asanayambe, otentha-kuviika, malata amagetsi, akuda, utoto, ulusi, zojambulajambula, ndi zomaliza. Mulingo woterewu umalola makasitomala kusankha njira zoyenera kwambiri pazogwiritsa ntchito zawo, kupititsa patsogolo magwiridwe antchito komanso kukongola kwama projekiti awo.

Pomaliza, kuphatikizika kwa luso lazopanga zapamwamba, zopereka zambiri zazinthu, komanso kudzipereka kuudindo wapamwamba Tianjin Minjie Steel Co., Ltd. monga mtsogoleri wa chitoliro chachitsulo padziko lonse lapansi ndisquare zitsulo machubundi msika wakuda wamachubu, kupangitsa zinthu zaku China kukhala zofanana ndi kudalirika komanso luso.