I-Yantai DNG Heavy Industry Co., Ltd. (Ifinyeziwe njenge-DNG) ifumaneka kwiSixeko saseYantai, esaziwa njengesiseko semveliso ye-China Hydraulic breakers.I-DNG inamandla obugcisa obuqinileyo kunye namava okuvelisa atyebileyo, asebenza ngokukhethekileyo ekuveliseni iihamile ezahlukeneyo zehydraulic kunye neendawo ezisecaleni, ezinjengeetshizi, iipistoni, intloko yangaphambili nangasemva, isihlahla setshizi, ihlathi langaphambili, iphini yentonga, iibholiti, kunye nezinye iimveliso ezixhasayo.I-DNG inembali engaphezulu kweminyaka eyi-10, kwaye umzi-mveliso uphumelele i-ISO9001, isiqinisekiso se-ISO14001 kunye nesiqinisekiso se-EU CE.