Jiangsu Doctop Filter System Co.Ltd is a company that mainly focuses its business on R&D,manufacturing and selling filter equipment. Doctop has successfully developed Automatic Back-washing Filter, Automatic Self-cleaning Filter, Bag Filter Housing, Filter bags and filter cartridge etc.Our products show the features of "High Quality,Value,Safety and Environmental-Protection", and the quality has reached, or even more than the quality of same class in the world market; the products enjoy competitive cost performance. The professional liquid R&D technology,diversified and high quality products, rich experience and excellent service system, all make our company meet different requirements of Liquid Filtration from every customer in industry field.Through continuous improvement and innovation. Our brand Doctop become the most competitive filter supplier with high quality in the world. Welcome to visit our factory.