Vary from production processes, traditional mines normally need to put more labor costs in terms of loading, transportation and sales. The reason why is that many personnels are both physically and economically involved in the progress, such as sales personnel, loading personnel, security personnel, purchasers, carriers, drivers, etc. The coal blending system for transportation & sales developed by Meiteng covers four aspects of product coal blending, unmanned vehicle loading, unmanned train loading, and transportation & sales management system. It not only reduces the labor intensity of loading workers, but raises the transportation & sales efficiency by completely eradicate leakage problems, thus protecting all related parties` interests.