As a licensed Partner of Herding GmbH Filtertechnik (HERDING),Beijing Clean Air Technology innovation Co., Ltd(CATICO).is engaged in research & design,fabrication and service of all series of HerdingR Patented Sinter Plate Filter unit in China. CATICO guarantees to supply most qualified filter units to fit for the application, and to offer first-hand analysis of customer's demands, advice, custom-made design and planning, production, installation, start-up and the service of complete filter unit.