Masana'antun Youfa suna samo kayan aikinsu na ƙera bututun ƙarfe daga kamfanonin China masu inganci da kuma suna kamar HBIS, Shougang, Baotou Steel, Xintiangang, Jinxi Steel, da sauransu.
Kamfanin Gwajin Gwajin Tianjin, Ltd., wanda a da aka sani da Ingancin Bincike da Cibiyoyin Gwaji na Youfa Group. Cibiyar gwaji tarin kayan ƙarfe ne da gwaje-gwajen kayayyakin da aka gama, gwajin muhalli, gwajin kayayyakin sinadarai, gwajin iskar gas, masana'antu. Cibiya ce mai cikakken dubawa da gwaji wadda ta haɗa fannoni daban-daban na gwaji kamar gwajin ingancin ruwa a cikin tukunya. Tare da yankin gini na sama da murabba'in mita 1,000, tana da kayan aikin gwaji sama da 114. Manyan abubuwan gwaji sun haɗa da: gwajin matsin lamba mai zafi da ƙarancin zafi, gwajin lanƙwasawa, gwajin tasiri, gwajin lanƙwasawa, gwajin fesa gishirin acid, nazarin abubuwan da suka shafi sinadarai, da sauransu.
Youfa ya tabbatar da cewa nauyin kayan da aka kawo dole ne ya yi daidai da wanda ke cikin kwangilar. Mun yi alƙawarin cewa kafin kayan su bar masana'antar, za a sami ƙwararrun ma'aikatan duba inganci don gudanar da binciken kayan aiki, ƙayyadaddun bayanai, da sauransu a wurin, da kuma ɗaukar hotuna da adana su; A lokacin jigilar kaya, abokin ciniki zai iya bin diddigin da kuma tambaya game da ci gaban kayan aikin.
Takaddun shaida na kamfani da takaddun shaida na samfura
