E thehiloe ka 2009, Yantai Jiwei Construction Machinery Co., Ltd e lula e tsepamisitse maikutlo ho nts'etsopele, tlhahiso, thekiso le lits'ebeletso tsa mochini oa boenjiniere oa kaho o kopanyang tlhahiso e sebelisoang haholo kahong, ho heletsoa, ho sebelisoa hape, meepo, meru le temo. tse tsebahalang ka boleng ba tsona, ho tšoarella, ts'ebetso le ho ts'epahala.