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Yakhazikitsidwa mchaka cha 2000, Hebei Dinghao Machinery Co, Ltd, yomwe ili ndi fakitale 30600㎡ ndi malo ochitira msonkhano ku 10000㎡, komanso akatswiri opanga akatswiri opanga 60 opititsa patsogolo, komanso ndi nthambi ya Tianjin ZHONO Import & Export Co, Ltd, anali woyenera kukhala ndi GB / T19001-2008 / ISO9001: satifiketi ya International Quality & Management System mu 2009 pansi pa zoyeserera zosavomerezeka zomwe anthu onse a Dinghao People adachita.