Due to factors such as the continuous increase in raw materials and labor costs, PTS will increase its power technology equipment and spare parts annually. The market price of the Atlas Copco system will officially take effect on July 15, 2022 (this price adjustment, the notice letter will refer to the PTBA price adjustment notice letter

Due to factors such as the continuous increase in raw materials and labor costs, PTS will increase its power technology equipment and spare parts annually. The market price of the Atlas Copco system will officially take effect on January 1, 2022 (this price adjustment, the notice letter will refer to the PTBA price adjustment notice letter