Sanlianxing’s GPS vehicle positioning monitoring system is very good. It has a GPS vehicle positioning monitoring system specifically for logistics vehicles. It can definitely help you solve these problems. Our company also uses their products, which are very useful. Yes, the management of the fleet is very standardized now. They also have an office in Shandong. You can contact Manager Hu in Zhengzhou. . Or log into their website. . Hope this helps! !