Located in Yixing, an advanced and beautiful city of Jiangsu Province, China, Longdai Co., Ltd is a processing equipment supplier of petrochemical industry specialized in environmental processing &integrating independent research and development, design, general contracting, environmental protection equipment manufacturing, and relevant material supply. The main products include mechanical grille decontamination machine, air flotation device, dosing device, mud scraper, cooling tower, decanter, chemical degreasing device, hydraulic screen, sand water separator, filter, conveyor, thickener , Biological filter, softened water, buried sewage treatment equipment, etc.