Puston's portable weighing scales are primarily used for onboard weight monitoring of highway traffic management and non-commercial logistics transport vehicles.

Master Kong Food Company, a subsidiary of Master Kong Holdings, primarily produces and sells instant noodles and beverages in China. It began producing instant noodles in 1992 and expanded into convenience foods and beverages in 1996.

The Shijiazhuang Engineering Department of China Railway Beijing Bureau Group Co., Ltd., established in 2011, is primarily engaged in civil engineering and construction.