A fannin gine-gine da masana'antu, bututun karfe mai murabba'i ya fito a matsayin wani muhimmin bangare, kuma kasar Sin ta sanya kanta a matsayin jagorar duniya a wannan fanni. Daya daga cikin manyan 'yan wasa a cikin wannan masana'antar shineTianjin Minjie KarfeCo., Ltd., wanda aka kafa a shekarar 1998. Tare da wani katafaren masana'anta mai fadin murabba'in murabba'in murabba'in 70,000, mai tazarar kilomita 40 kacal daga Xingang, tashar tashar jiragen ruwa mafi girma a arewacin kasar Sin, kamfanin ya daidaita ayyukansa don samar da inganci da fitar da kayayyaki zuwa kasashen waje.

Tianjin Minjie ya kware a fannoni daban-dabankayayyakin karfe, ciki har da pre-galvanizedbututun karfe,zafi-tsoma galvanized bututu,welded karfe bututu, kuma musamman, murabba'i dabututu na rectangular. Waɗannan samfuran suna da mahimmanci a aikace-aikace daban-daban, kamar gini, ginshiƙan shinge, tsarin greenhouse, da hannaye. A versatility nasquare karfe tubingya sa ya zama zaɓin da aka fi so don masu gine-gine da masu gini iri ɗaya, kamar yadda za a iya keɓance shi a cikin ƙayyadaddun bayanai daban-daban don biyan takamaiman buƙatun aikin.

Ƙaddamar da kamfani don inganci yana bayyana a cikin bin ka'idodin duniya, ciki har da GB, ASTM, DIN, da JIS. Tare da ISO9001 ingancin takardar shaida da uku jadadda mallaka sababbin abubuwa — trough bututu, kafada bututu, da kuma na'ura mai aiki da karfin ruwa bututu-Tianjin Minjie tabbatar da cewa ta kayayyakin ba kawai saduwa amma wuce masana'antu tsammanin.

Haka kuma, da surface ƙare nasquare karfe shamburaza a iya keɓance shi da abubuwan da abokin ciniki ya zaɓa, gami da pre-galvanized, galvanized hot- tsoma galvanized, electro-galvanized, black, fenti, zaren, zane, da kuma soket gama. Wannan matakin gyare-gyare yana bawa abokan ciniki damar zaɓar zaɓuɓɓukan da suka fi dacewa don takamaiman aikace-aikacen su, haɓaka aikin gabaɗaya da kyawawan sha'awar ayyukansu.

A ƙarshe, hade da ci-gaba masana'antu damar, da fadi da kewayon samfurin ƙonawa, da kuma sadaukar da ingancin matsayi Tianjin Minjie Karfe Co., Ltd. a matsayin jagora a cikin duniya karfe bututu da kumasquare karfe tubingda kuma kasuwar bututun baƙar fata, suna yin samfuran Sinawa daidai da aminci da ƙima.