Yantai dng inorema indasitiri co., ltd. (ipfupikadzi seDNG) iri muYantai guta, iyo inozivikanwa seyakagadzirwa base yeChina hydrautic burs. DNG ane Simba rehunyanzvi hwekugadzira uye hupfumi hwekugadzira, hunonyatsoita mukugadzira dzakasiyana-siyana dze hydraulic hammy hydraulic uye chisels, chisel bush, mbichana, mabhebhi, uye zvimwe zvigadzirwa, uye zvimwe zvigadzirwa zvinotsigira. DND ine nhoroondo anopfuura makore gumi, uye fekitori inopfuura iyo iso9001, iso14001 chitupa uye e ce ce certification.