The company has limestone - gypsum wet FGD technology, sintering machine cycle floating semi-dry flue gas purification technology, seawater FGD technology, sodium and calcium dual-alkali FGD technology and many other processing techniques, which has got 2 scientific and technological achievements, nine patents, four software copyright and seven papers. Huali has extensive experience in flue gas desulphurization. Around the country, it  has a number of flue gas desulphurization performance, involving electric power, metallurgy, nonferrous metals, chemicals, food and other industries, it  used  EPC, BT, BOT, TOT mode to cooperate, and provide a overall flue gas desulphurization solutions for clients from various fields.