Zhengzhou Dongfang rauv hauv ob sab phlu khoom Co., Ltd.Nws yog ib qho kev lag luam ua ke nrog kev tshawb fawb, kev sim, kev loj hlob, kev tsim khoom, kev muag khoom thiab kev tsim kho: peb muaj ib txoj kab ntau lawm ntawm cov khoom tiav thiab amorphous refractory thiab hnav-resistant thiab ib kab ntau lawm ntawm thermal rwb thaiv tsev cov khoom, txaus kom tau raws li lub peev xwm ua ntawm 80000 tons ntawm cov khoom ib xyoos;Nws muaj ib pab pawg neeg tsim khoom siv hluav taws xob ntawm qib III General Contracting rau metallurgical engineering kev tsim kho.