Dalian Chemical Industry Group made overall relocation, and invited public bidding for the soda joint production project with production capacity of 600,000 tons. The company won the bid, and obtained the largest order for 19 sets of two-stage piston pushing centrifuges, including 16 sets of HR630-N and 3 sets of HR500-N. 8 sets of HR630-N centrifuges are used for salt separation, 8 sets of HR630-N centrifuges are used for the separation of ammonia chloride, and 3 sets of HR500-N centrifuges are used for the separation of crude ammonium.