Yantai DNG Heavy Industry Co., Ltd. (Yakapfupikiswa seDNG) iri muYantai Guta, rinozivikanwa sechigadziko chekugadzira cheChina Hydraulic breakers. DNG ine simba rakasimba rehunyanzvi uye ruzivo rwakapfuma rwekugadzira, iyo inyanzvi mukugadzira dzakasiyana siyana dze hydraulic sando uye masipari, senge chisel, pistons, kumberi nekumashure musoro, chisel gwenzi, pamberi pegwenzi, tsvimbo pin, mabhaudhi, uye zvimwe zvinotsigira zvigadzirwa. DNG ine nhoroondo anopfuura makore gumi, uye fekitori inopasa ISO9001, ISO14001 certification uye EU CE certification.