The 4th Paulson Sustainable City Award hosted by the Paulson Foundation held an award ceremony in Beijing on March 16th, and the “Nitrous Oxide Recovery and Purification Project” carried out by Linggas Technology Co., Ltd. in Heze, Shandong, participated in and won the "Special Nomination Award". Ms. Lynn Scarlett, representative of the judges, former Deputy Secretary of the United States Department of the Interior, and Global Managing Director of Public Policy of the Nature Conservation Association (Lynn Scarlett) presented the certificate to Mr. Zhao Bing, Chairman of Linggas, Henry, Chairman of the Paulson Foundation · Paulson (Henry M. Paulson, Jr.) congratulated Mr. Zhao Bing and took a group photo.