ROCKBEN ndi akatswiri opanga zida za trolly, Zakhala zikugwira ntchito m'makampaniwa kwa zaka zopitilira 10, ndipo zinthu za kampaniyo zimagulitsidwa makamaka ku United States, Germany, Japan, Europe, ndi zina zambiri.
Ndi mizere yathunthu yopangira zida zogwirira ntchito komanso antchito odziwa zambiri, amatha kupanga, kupanga, kupanga, ndikuyesa zinthu zonse moyenera. Munthawi yonseyi, akatswiri athu a QC aziyang'anira njira iliyonse kuti atsimikizire mtundu wazinthu. Komanso, kutumiza kwathu ndi nthawi yake ndipo kumatha kukwaniritsa zosowa za kasitomala aliyense. Timalonjeza kuti zinthuzo zimatumizidwa kwa makasitomala otetezeka komanso omveka. Ngati muli ndi mafunso kapena mukufuna kudziwa zambiri za trolly yathu ya workshop, tiyimbireni mwachindunji.
Tili ndi gulu lodziwa zambiri lomwe lili ndi akatswiri angapo amakampani. Iwo ali ndi zaka zambiri pakupanga ndi kupanga ma workshop trolly. M'miyezi yapitayi, akhala akuyang'ana kwambiri kuwongolera kugwiritsa ntchito bwino kwa mankhwalawa, ndipo pamapeto pake adakwanitsa. Kulankhula monyadira, mankhwala athu amasangalala ndi ntchito zosiyanasiyana ndipo akhoza kukhala zothandiza kwambiri pamene ntchito m'munda (m) workshop chida trolly.