2015
Hauv xyoo 2015, Kev xa tawm 170 teeb tsa cov nyiaj siv ua haujlwm cranes, gantry cranes rau Lanzhou kev lag luam thiab kev tsim kho thev naus laus zis, Gansu Siv Kev nqis peev (Tuav) Pab Pawg Tuam Txhab tsim, Lanzhou Motor Factory Co., Ltd thiab lwm yam.