On September 13, a batch of Single Hydraulic Prop for mining was loaded in the fourth workshop of China Coal Group's intelligent equipment production and manufacturing, and will be sent to a mine in Jincheng, Shanxi. Jincheng merchants are loyal customers of our group. They have ordered hydraulic props, mining carts, flatbed carts, mine doors and other mining equipment from our group many times, and have always spoken highly of our group's excellent product quality and perfect after-sales service.