Thaum Lub Kaum Ob Hlis 3, nyob rau lub sijhawm tuav ntawm 2021 Kev Tsim Kho Machinery Sector Lub Rooj Sib Tham Kev Lag Luam ntawm Shandong Heavy Industry Group, Shantui tau tso tawm 12 cov khoom ntse, suav nrog roj teeb hluav taws xob bulldozer thiab tsis muaj neeg siv bulldozer, los qhia txog cov txiaj ntsig tau ua tiav hauv kev hloov pauv mus rau kev tsim khoom ntse.Npog bulldozer, txoj kev machinery, thiab loader sectors, cov 12 cov khoom no nyiam nws kim heev nrog kev ua tau zoo thiab cov thev naus laus zis siab heev.