I-DVT Spring ngumvelisi owasekwa ngo-2006, ehlala kwisixeko saseNingbo.Iplanti yethu igubungela ngaphezulu kwe-1,000 yeemitha zesikwere kunye nabasebenzi abangama-50 ngeenxa zonke.Sisebenza ngokukhethekileyo kwintlakohlaza kunye nezahlulo zesitampu, ezinje ngoxinzelelo lwentwasahlobo, i-torsion spring, iingcingo ezenza iinxalenye, uqhagamshelwano lwebhetri, njalo njalo, uMntla Melika, iYurophu, iSoutheast Aisa zezona ntengiso ziphambili.Sithumele intwasahlobo yethu kumazwe angaphezu kwama-20 ukuza kuthi ga ngoku.