Ningbo Donghuan Power Technology Co., Ltd yashinzwe muri Gashyantare 2011. Isosiyete iteza imbere, ikora kandi ikagurisha yishyura Stringing Block, Hoisting Tackle, Wire Grip, Reel Stand, Trolleys, ibikoresho bikomatanya, Umuhuza, Shackle, Lifter, Head Ikibaho cyabayobora, Mesh Sock Joints, Powered-winch, Press-mashini nibindi bikoresho byubwubatsi nibikoresho byubwubatsi bwamashanyarazi.Isosiyete ifite uburenganzira bwo gutumiza no kohereza hanze.Isosiyete ifite ibicuruzwa byuzuye hamwe nububiko buhagije, byorohereza abakiriya kugura umurongo umwe.