Iherereye mu mujyi uzwi cyane ku cyambu, Ningbo, mu Bushinwa, Ningbo Digtech (YH) Machinery Co., Ltd. kabuhariwe mu gukora no kohereza hanze ibikoresho byiza byubutaka bikurura ibikoresho nibice byicyuma nkaimbaraga zikomeye zifata bolt & nut, guhinga, hex bolt, Bolt, igice, grader blade, gukata inkingi, Bolt, indobo amenyo pin no gufunga, pin, ukuboko no kugumana, iryinyokimwe nibindi bihimbano, guta no gutunganya ibice birenze imyaka 20.