Ma Dekemaba 3, i ka manawa o ka 2021 Construction Machinery Sector Business Conference o Shandong Heavy Industry Group, ua hoʻokuʻu ʻo Shantui i nā huahana naʻauao 12, me ka bulldozer uila uila a me ka bulldozer unmanned, e hōʻike i nā hopena i hoʻokō ʻia i ka hoʻololi ʻana i ka hana akamai.E uhi ana i ka bulldozer, nā mīkini alanui, a me nā ʻāpana ukana, ua hoʻokipa kēia mau huahana 12 i ka nānā nui me nā hana koʻikoʻi a me nā ʻenehana holomua.