5lionsmegawaysslot| Heyuan Gas (002971.SZ): In the first quarter, the company produced and sold liquid ammonia at normal load editor 2024-05-09 09:23:08 Nature 26 Gelonghui May 9 丨 Heyuan Gas (0029715lionsmegawaysslot.SZ) said at the 2023 annual performance briefing5lionsmegawaysslotIn the first quarter, the company produced and sold liquid ammonia at normal load.