Nyob rau lub Xya Hli 22, 2015, cov kws tshaj lij ntawm Shandong Aolai Machinery Technology Co., Ltd tuaj rau Tianjin Public Security Hluav Taws Kub Tuam Tshoj thiab qhia cov lag luam kev ntawm Tes Rhuav Tseg Lawm, Hnab Ris Tsho Roj Roj Teeb Tseg thiab Multifunctional Ax. 
